| Date | Value |
|---|---|
| Dec 31, 2025 | 81.62 |
| Nov 30, 2025 | 81.45 |
| Oct 31, 2025 | 81.21 |
| Sep 30, 2025 | 80.97 |
| Aug 31, 2025 | 80.79 |
| Jul 31, 2025 | 80.63 |
| Jun 30, 2025 | 80.36 |
| May 31, 2025 | 80.22 |
| Apr 30, 2025 | 79.97 |
| Mar 31, 2025 | 79.79 |
| Feb 28, 2025 | 79.51 |
| Jan 31, 2025 | 79.41 |
| Dec 31, 2024 | 79.46 |
| Nov 30, 2024 | 78.98 |
| Oct 31, 2024 | 78.43 |
| Sep 30, 2024 | 78.01 |
| Aug 31, 2024 | 77.63 |
| Jul 31, 2024 | 77.19 |
| Jun 30, 2024 | 76.77 |
| May 31, 2024 | 76.39 |
| Apr 30, 2024 | 76.11 |
| Mar 31, 2024 | 75.99 |
| Feb 29, 2024 | 76.30 |
| Jan 31, 2024 | 76.58 |
| Dec 31, 2023 | 76.81 |
| Nov 30, 2023 | 76.37 |
| Oct 31, 2023 | 75.86 |
| Sep 30, 2023 | 75.47 |
| Aug 31, 2023 | 75.44 |
| Jul 31, 2023 | 75.55 |
| Jun 30, 2023 | 75.47 |
| May 31, 2023 | 75.53 |
| Apr 30, 2023 | 75.54 |
| Mar 31, 2023 | 75.73 |
| Feb 28, 2023 | 75.51 |
| Jan 31, 2023 | 75.45 |
| Dec 31, 2022 | 75.56 |
| Nov 30, 2022 | 74.73 |
| Oct 31, 2022 | 74.05 |
| Sep 30, 2022 | 73.75 |
| Aug 31, 2022 | 73.42 |
| Jul 31, 2022 | 72.90 |
| Jun 30, 2022 | 72.41 |
| May 31, 2022 | 72.62 |
| Apr 30, 2022 | 72.62 |
| Mar 31, 2022 | 72.23 |
| Feb 28, 2022 | 72.58 |
| Jan 31, 2022 | 72.62 |
| Dec 31, 2021 | 72.60 |
| Nov 30, 2021 | 72.36 |
| Oct 31, 2021 | 72.26 |
| Sep 30, 2021 | 72.39 |
| Aug 31, 2021 | 72.02 |
| Jul 31, 2021 | 71.60 |
| Jun 30, 2021 | 71.37 |
| May 31, 2021 | 71.94 |
| Apr 30, 2021 | 72.42 |
| Mar 31, 2021 | 72.92 |
| Feb 28, 2021 | 73.71 |
| Jan 31, 2021 | 74.39 |
| Dec 31, 2020 | 74.98 |
| Nov 30, 2020 | 75.30 |
| Oct 31, 2020 | 75.50 |
| Sep 30, 2020 | 75.77 |
| Aug 31, 2020 | 76.24 |
| Jul 31, 2020 | 76.84 |
| Jun 30, 2020 | 77.59 |
| May 31, 2020 | 77.97 |
| Apr 30, 2020 | 77.92 |
| Mar 31, 2020 | 77.36 |
| Feb 29, 2020 | 76.61 |
| Jan 31, 2020 | 76.24 |
| Dec 31, 2019 | 75.95 |
| Nov 30, 2019 | 75.44 |
| Oct 31, 2019 | 74.96 |
| Sep 30, 2019 | 74.68 |
| Aug 31, 2019 | 74.24 |
| Jul 31, 2019 | 73.74 |
| Jun 30, 2019 | 73.37 |
| May 31, 2019 | 72.89 |
| Apr 30, 2019 | 72.54 |
| Mar 31, 2019 | 72.43 |
| Feb 28, 2019 | 72.31 |
| Jan 31, 2019 | 72.09 |
| Dec 31, 2018 | 71.70 |
| Nov 30, 2018 | 70.84 |
| Oct 31, 2018 | 69.98 |
| Sep 30, 2018 | 69.48 |
| Aug 31, 2018 | 68.97 |
| Jul 31, 2018 | 68.41 |
| Jun 30, 2018 | 67.81 |
| May 31, 2018 | 67.48 |
| Apr 30, 2018 | 67.32 |
| Mar 31, 2018 | 67.15 |
| Feb 28, 2018 | 66.82 |
| Jan 31, 2018 | 66.64 |
| Dec 31, 2017 | 66.52 |
| Nov 30, 2017 | 66.14 |
| Oct 31, 2017 | 65.79 |
| Sep 30, 2017 | 65.41 |
| Aug 31, 2017 | 65.32 |
| Jul 31, 2017 | 65.08 |
| Jun 30, 2017 | 64.60 |
| May 31, 2017 | 64.28 |
| Apr 30, 2017 | 63.95 |
| Mar 31, 2017 | 63.76 |
| Feb 28, 2017 | 63.50 |
| Jan 31, 2017 | 63.38 |
| Dec 31, 2016 | 63.44 |
| Nov 30, 2016 | 63.14 |
| Oct 31, 2016 | 62.73 |
| Sep 30, 2016 | 62.50 |
| Aug 31, 2016 | 62.39 |
| Jul 31, 2016 | 62.18 |
| Jun 30, 2016 | 61.82 |
| May 31, 2016 | 61.75 |
| Apr 30, 2016 | 61.73 |
| Mar 31, 2016 | 61.75 |
| Feb 29, 2016 | 61.78 |
| Jan 31, 2016 | 61.60 |
| Dec 31, 2015 | 61.47 |
| Nov 30, 2015 | 60.85 |
| Oct 31, 2015 | 60.31 |
| Sep 30, 2015 | 59.87 |
| Aug 31, 2015 | 59.42 |
| Jul 31, 2015 | 58.97 |
| Jun 30, 2015 | 58.62 |
| May 31, 2015 | 58.38 |
| Apr 30, 2015 | 58.24 |
| Mar 31, 2015 | 57.92 |
| Feb 28, 2015 | 57.61 |
| Jan 31, 2015 | 57.21 |
| Dec 31, 2014 | 56.29 |
| Nov 30, 2014 | 55.53 |
| Oct 31, 2014 | 54.78 |
| Sep 30, 2014 | 54.20 |
| Aug 31, 2014 | 53.71 |
| Jul 31, 2014 | 53.10 |
| Jun 30, 2014 | 52.56 |
| May 31, 2014 | 52.12 |
| Apr 30, 2014 | 51.75 |
| Mar 31, 2014 | 51.38 |
| Feb 28, 2014 | 51.12 |
| Jan 31, 2014 | 50.72 |
| Dec 31, 2013 | 50.32 |
| Nov 30, 2013 | 50.03 |
| Oct 31, 2013 | 49.65 |
| Sep 30, 2013 | 49.24 |
| Aug 31, 2013 | 48.75 |
| Jul 31, 2013 | 48.27 |
| Jun 30, 2013 | 47.74 |
| May 31, 2013 | 47.30 |
| Apr 30, 2013 | 46.83 |
| Mar 31, 2013 | 46.23 |
| Feb 28, 2013 | 45.94 |
| Jan 31, 2013 | 45.89 |
| Dec 31, 2012 | 45.61 |
| Nov 30, 2012 | 44.68 |
| Oct 31, 2012 | 43.67 |
| Sep 30, 2012 | 42.85 |
| Aug 31, 2012 | 42.43 |
| Jul 31, 2012 | 42.04 |
| Jun 30, 2012 | 41.36 |
| May 31, 2012 | 40.83 |
| Apr 30, 2012 | 40.31 |
| Mar 31, 2012 | 39.96 |
| Feb 29, 2012 | 39.81 |
| Jan 31, 2012 | 39.53 |
| Dec 31, 2011 | 39.24 |
| Nov 30, 2011 | 38.53 |
| Oct 31, 2011 | 37.88 |
| Sep 30, 2011 | 37.19 |
| Aug 31, 2011 | 36.84 |
| Jul 31, 2011 | 36.52 |
| Jun 30, 2011 | 36.14 |
| May 31, 2011 | 35.65 |
| Apr 30, 2011 | 35.37 |
| Mar 31, 2011 | 35.14 |
| Feb 28, 2011 | 35.13 |
| Jan 31, 2011 | 34.94 |
| Dec 31, 2010 | 34.75 |
| Nov 30, 2010 | 34.62 |
| Oct 31, 2010 | 34.44 |
| Sep 30, 2010 | 34.29 |
| Aug 31, 2010 | 34.15 |
| Jul 31, 2010 | 34.04 |
| Jun 30, 2010 | 33.88 |
| May 31, 2010 | 33.78 |
| Apr 30, 2010 | 33.74 |
| Mar 31, 2010 | 33.73 |
| Feb 28, 2010 | 34.13 |
| Jan 31, 2010 | 34.39 |
| Dec 31, 2009 | 34.77 |
| Nov 30, 2009 | 35.48 |
| Oct 31, 2009 | 36.28 |
| Sep 30, 2009 | 37.09 |
| Aug 31, 2009 | 37.99 |
| Jul 31, 2009 | 38.95 |
| Jun 30, 2009 | 39.77 |
| May 31, 2009 | 40.97 |
| Apr 30, 2009 | 41.96 |
| Mar 31, 2009 | 42.94 |
| Feb 28, 2009 | 43.64 |
| Jan 31, 2009 | 44.46 |
| Dec 31, 2008 | 45.25 |
| Nov 30, 2008 | 45.03 |
| Oct 31, 2008 | 44.41 |
| Sep 30, 2008 | 44.20 |
| Aug 31, 2008 | 44.06 |
| Jul 31, 2008 | 43.82 |
| Jun 30, 2008 | 43.97 |
| May 31, 2008 | 44.21 |
| Apr 30, 2008 | 44.36 |
| Mar 31, 2008 | 44.42 |
| Feb 29, 2008 | 44.50 |
| Jan 31, 2008 | 44.33 |
| Dec 31, 2007 | 44.25 |
| Nov 30, 2007 | 43.82 |
| Oct 31, 2007 | 43.67 |
| Sep 30, 2007 | 43.36 |
| Aug 31, 2007 | 43.05 |
| Jul 31, 2007 | 42.54 |
| Jun 30, 2007 | 42.09 |
| May 31, 2007 | 41.81 |
| Apr 30, 2007 | 41.70 |
| Mar 31, 2007 | 41.60 |
| Feb 28, 2007 | 41.65 |
| Jan 31, 2007 | 41.53 |
| Dec 31, 2006 | 41.32 |
| Nov 30, 2006 | 40.95 |
| Oct 31, 2006 | 40.45 |
| Sep 30, 2006 | 39.80 |
| Aug 31, 2006 | 39.24 |
| Jul 31, 2006 | 38.96 |
| Jun 30, 2006 | 38.71 |
| May 31, 2006 | 38.43 |
| Apr 30, 2006 | 38.26 |
| Mar 31, 2006 | 38.22 |
| Feb 28, 2006 | 38.11 |
| Jan 31, 2006 | 37.86 |
| Dec 31, 2005 | 37.83 |
| Nov 30, 2005 | 37.26 |
| Oct 31, 2005 | 36.54 |
| Sep 30, 2005 | 36.19 |
| Aug 31, 2005 | 36.33 |
| Jul 31, 2005 | 36.20 |
| Jun 30, 2005 | 36.05 |
| May 31, 2005 | 35.67 |
| Apr 30, 2005 | 35.23 |
| Mar 31, 2005 | 35.06 |
| Feb 28, 2005 | 34.88 |
| Jan 31, 2005 | 34.62 |
| Dec 31, 2004 | 34.24 |
| Nov 30, 2004 | 33.95 |
| Oct 31, 2004 | 33.80 |
| Sep 30, 2004 | 33.82 |
| Aug 31, 2004 | 33.56 |
| Jul 31, 2004 | 33.25 |
| Jun 30, 2004 | 32.86 |
| May 31, 2004 | 32.63 |
| Apr 30, 2004 | 32.47 |
| Mar 31, 2004 | 32.23 |
| Feb 29, 2004 | 32.06 |
| Jan 31, 2004 | 31.84 |
| Dec 31, 2003 | 31.61 |
| Nov 30, 2003 | 31.09 |
| Oct 31, 2003 | 30.53 |
| Sep 30, 2003 | 30.01 |
| Aug 31, 2003 | 29.86 |
| Jul 31, 2003 | 29.71 |
| Jun 30, 2003 | 29.49 |
| May 31, 2003 | 29.56 |
| Apr 30, 2003 | 29.55 |
| Mar 31, 2003 | 29.52 |
| Feb 28, 2003 | 29.60 |
| Jan 31, 2003 | 29.74 |
| Dec 31, 2002 | 29.78 |
| Nov 30, 2002 | 29.54 |
| Oct 31, 2002 | 29.37 |
| Sep 30, 2002 | 29.25 |
| Aug 31, 2002 | 29.45 |
| Jul 31, 2002 | 29.70 |
| Jun 30, 2002 | 29.88 |
| May 31, 2002 | 29.70 |
| Apr 30, 2002 | 29.51 |
| Mar 31, 2002 | 29.48 |
| Feb 28, 2002 | 29.65 |
| Jan 31, 2002 | 29.78 |
| Dec 31, 2001 | 29.85 |
| Nov 30, 2001 | 29.73 |
| Oct 31, 2001 | 29.68 |
| Sep 30, 2001 | 29.58 |
| Aug 31, 2001 | 29.68 |
| Jul 31, 2001 | 29.65 |
| Jun 30, 2001 | 29.53 |
| May 31, 2001 | 29.76 |
| Apr 30, 2001 | 30.08 |
| Mar 31, 2001 | 30.38 |
| Feb 28, 2001 | 30.64 |
| Jan 31, 2001 | 30.95 |
| Dec 31, 2000 | 31.34 |
| Nov 30, 2000 | 31.37 |
| Oct 31, 2000 | 31.44 |
| Sep 30, 2000 | 31.54 |
| Aug 31, 2000 | 31.93 |
| Jul 31, 2000 | 32.16 |
| Jun 30, 2000 | 32.47 |
| May 31, 2000 | 32.68 |
| Apr 30, 2000 | 32.75 |
| Mar 31, 2000 | 32.81 |
| Feb 29, 2000 | 33.04 |
| Jan 31, 2000 | 33.19 |
| Dec 31, 1999 | 33.24 |
| Nov 30, 1999 | 33.20 |
| Oct 31, 1999 | 33.19 |
| Sep 30, 1999 | 33.21 |
| Aug 31, 1999 | 33.24 |
| Jul 31, 1999 | 33.20 |
| Jun 30, 1999 | 33.17 |
| May 31, 1999 | 33.17 |
| Apr 30, 1999 | 33.17 |
| Mar 31, 1999 | 33.41 |
| Feb 28, 1999 | 33.34 |
| Jan 31, 1999 | 33.21 |
| Dec 31, 1998 | 33.11 |
| Nov 30, 1998 | 33.06 |
| Oct 31, 1998 | 33.02 |
| Sep 30, 1998 | 33.07 |
| Aug 31, 1998 | 32.98 |
| Jul 31, 1998 | 32.88 |
| Jun 30, 1998 | 32.79 |
| May 31, 1998 | 32.62 |
| Apr 30, 1998 | 32.47 |
| Mar 31, 1998 | 32.32 |
| Feb 28, 1998 | 32.28 |
| Jan 31, 1998 | 32.24 |
| Dec 31, 1997 | 32.20 |
| Nov 30, 1997 | 32.04 |
| Oct 31, 1997 | 31.91 |
| Sep 30, 1997 | 31.88 |
| Aug 31, 1997 | 31.84 |
| Jul 31, 1997 | 31.78 |
| Jun 30, 1997 | 31.70 |
| May 31, 1997 | 31.66 |
| Apr 30, 1997 | 31.57 |
| Mar 31, 1997 | 31.54 |
| Feb 28, 1997 | 31.51 |
| Jan 31, 1997 | 31.50 |
| Dec 31, 1996 | 31.48 |
| Nov 30, 1996 | 31.32 |
| Oct 31, 1996 | 31.21 |
| Sep 30, 1996 | 31.14 |
| Aug 31, 1996 | 30.96 |
| Jul 31, 1996 | 30.74 |
| Jun 30, 1996 | 30.52 |
| May 31, 1996 | 30.42 |
| Apr 30, 1996 | 30.36 |
| Mar 31, 1996 | 30.36 |
| Feb 29, 1996 | 30.29 |
| Jan 31, 1996 | 30.16 |
| Dec 31, 1995 | 30.10 |
| Nov 30, 1995 | 29.93 |
| Oct 31, 1995 | 29.75 |
| Sep 30, 1995 | 29.70 |
| Aug 31, 1995 | 29.60 |
| Jul 31, 1995 | 29.52 |
| Jun 30, 1995 | 29.36 |
| May 31, 1995 | 29.28 |
| Apr 30, 1995 | 29.20 |
| Mar 31, 1995 | 29.15 |
| Feb 28, 1995 | 29.25 |
| Jan 31, 1995 | 29.37 |
| Dec 31, 1994 | 29.48 |
| Nov 30, 1994 | 29.30 |
| Oct 31, 1994 | 29.15 |
| Sep 30, 1994 | 28.99 |
| Aug 31, 1994 | 29.00 |
| Jul 31, 1994 | 29.05 |
| Jun 30, 1994 | 29.06 |
| May 31, 1994 | 29.06 |
| Apr 30, 1994 | 28.99 |
| Mar 31, 1994 | 28.93 |
| Feb 28, 1994 | 28.93 |
| Jan 31, 1994 | 28.93 |
| Dec 31, 1993 | 28.91 |
| Nov 30, 1993 | 28.86 |
| Oct 31, 1993 | 28.84 |
| Sep 30, 1993 | 28.91 |
| Aug 31, 1993 | 28.98 |
| Jul 31, 1993 | 29.06 |
| Jun 30, 1993 | 29.06 |
| May 31, 1993 | 29.07 |
| Apr 30, 1993 | 29.08 |
| Mar 31, 1993 | 29.12 |
| Feb 28, 1993 | 29.15 |
| Jan 31, 1993 | 29.18 |
| Dec 31, 1992 | 29.25 |
| Nov 30, 1992 | 29.24 |
| Oct 31, 1992 | 29.29 |
| Sep 30, 1992 | 29.40 |
| Aug 31, 1992 | 29.42 |
| Jul 31, 1992 | 29.45 |
| Jun 30, 1992 | 29.45 |
| May 31, 1992 | 29.56 |
| Apr 30, 1992 | 29.60 |
| Mar 31, 1992 | 29.65 |
| Feb 29, 1992 | 29.70 |
| Jan 31, 1992 | 29.71 |
| Dec 31, 1991 | 29.66 |
| Nov 30, 1991 | 29.74 |
| Oct 31, 1991 | 29.88 |
| Sep 30, 1991 | 29.98 |
| Aug 31, 1991 | 30.01 |
| Jul 31, 1991 | 29.99 |
| Jun 30, 1991 | 29.93 |
| May 31, 1991 | 29.99 |
| Apr 30, 1991 | 30.05 |
| Mar 31, 1991 | 30.06 |
| Feb 28, 1991 | 30.09 |
| Jan 31, 1991 | 30.11 |
| Dec 31, 1990 | 30.27 |
| Nov 30, 1990 | 30.06 |
| Oct 31, 1990 | 29.92 |
| Sep 30, 1990 | 29.89 |
| Aug 31, 1990 | 29.99 |
| Jul 31, 1990 | 30.12 |
| Jun 30, 1990 | 30.09 |
| May 31, 1990 | 29.95 |
| Apr 30, 1990 | 29.72 |
| Mar 31, 1990 | 29.47 |
| Feb 28, 1990 | 29.40 |
| Jan 31, 1990 | 29.31 |
| Dec 31, 1989 | 29.38 |
| Nov 30, 1989 | 29.14 |
| Oct 31, 1989 | 28.93 |
| Sep 30, 1989 | 28.78 |
| Aug 31, 1989 | 28.54 |
| Jul 31, 1989 | 28.26 |
| Jun 30, 1989 | 28.00 |
| May 31, 1989 | 27.74 |
| Apr 30, 1989 | 27.58 |
| Mar 31, 1989 | 27.43 |
| Feb 28, 1989 | 27.35 |
| Jan 31, 1989 | 27.22 |
| Dec 31, 1988 | 27.12 |
| Nov 30, 1988 | 26.85 |
| Oct 31, 1988 | 26.63 |
| Sep 30, 1988 | 26.46 |
| Aug 31, 1988 | 26.42 |
| Jul 31, 1988 | 26.32 |
| Jun 30, 1988 | 26.21 |
| May 31, 1988 | 26.06 |
| Apr 30, 1988 | 25.88 |
| Mar 31, 1988 | 25.75 |
| Feb 29, 1988 | 25.72 |
| Jan 31, 1988 | 25.65 |
| Dec 31, 1987 | 25.58 |
| Nov 30, 1987 | 25.44 |
| Oct 31, 1987 | 25.32 |
| Sep 30, 1987 | 25.24 |
| Aug 31, 1987 | 25.23 |
| Jul 31, 1987 | 25.23 |
| Jun 30, 1987 | 25.16 |
| May 31, 1987 | 25.07 |
| Apr 30, 1987 | 24.98 |
| Mar 31, 1987 | 24.93 |
| Feb 28, 1987 | 24.98 |
| Jan 31, 1987 | 25.01 |
| Dec 31, 1986 | 25.11 |
| Nov 30, 1986 | 25.08 |
| Oct 31, 1986 | 25.06 |
| Sep 30, 1986 | 25.03 |
| Aug 31, 1986 | 25.01 |
| Jul 31, 1986 | 24.92 |
| Jun 30, 1986 | 24.79 |
| May 31, 1986 | 24.84 |
| Apr 30, 1986 | 24.83 |
| Mar 31, 1986 | 24.70 |
| Feb 28, 1986 | 24.47 |
| Jan 31, 1986 | 24.28 |
| Dec 31, 1985 | 24.22 |
| Nov 30, 1985 | 24.23 |
| Oct 31, 1985 | 24.23 |
| Sep 30, 1985 | 24.26 |
| Aug 31, 1985 | 24.22 |
| Jul 31, 1985 | 24.17 |
| Jun 30, 1985 | 24.11 |
| May 31, 1985 | 24.09 |
| Apr 30, 1985 | 24.10 |
| Mar 31, 1985 | 24.13 |
| Feb 28, 1985 | 24.08 |
| Jan 31, 1985 | 24.06 |
| Dec 31, 1984 | 23.96 |
| Nov 30, 1984 | 23.81 |
| Oct 31, 1984 | 23.65 |
| Sep 30, 1984 | 23.55 |
| Aug 31, 1984 | 23.59 |
| Jul 31, 1984 | 23.61 |
| Jun 30, 1984 | 23.62 |
| May 31, 1984 | 23.55 |
| Apr 30, 1984 | 23.48 |
| Mar 31, 1984 | 23.45 |
| Feb 29, 1984 | 23.40 |
| Jan 31, 1984 | 23.42 |
| Dec 31, 1983 | 23.46 |
| Nov 30, 1983 | 23.38 |
| Oct 31, 1983 | 23.33 |
| Sep 30, 1983 | 23.30 |
| Aug 31, 1983 | 23.34 |
| Jul 31, 1983 | 23.35 |
| Jun 30, 1983 | 23.37 |
| May 31, 1983 | 23.41 |
| Apr 30, 1983 | 23.52 |
| Mar 31, 1983 | 23.65 |
| Feb 28, 1983 | 23.61 |
| Jan 31, 1983 | 23.59 |
| Dec 31, 1982 | 23.59 |
| Nov 30, 1982 | 23.47 |
| Oct 31, 1982 | 23.40 |
| Sep 30, 1982 | 23.45 |
| Aug 31, 1982 | 23.45 |
| Jul 31, 1982 | 23.45 |
| Jun 30, 1982 | 23.53 |
| May 31, 1982 | 23.72 |
| Apr 30, 1982 | 23.84 |
| Mar 31, 1982 | 23.83 |
| Feb 28, 1982 | 23.70 |
| Jan 31, 1982 | 23.67 |
| Dec 31, 1981 | 23.64 |
| Nov 30, 1981 | 23.58 |
| Oct 31, 1981 | 23.53 |
| Sep 30, 1981 | 23.44 |
| Aug 31, 1981 | 23.52 |
| Jul 31, 1981 | 23.54 |
| Jun 30, 1981 | 23.64 |
| May 31, 1981 | 23.71 |
| Apr 30, 1981 | 23.76 |
| Mar 31, 1981 | 23.78 |
| Feb 28, 1981 | 23.79 |
| Jan 31, 1981 | 23.88 |
| Dec 31, 1980 | 23.92 |
| Nov 30, 1980 | 24.03 |
| Oct 31, 1980 | 24.11 |
| Sep 30, 1980 | 24.22 |
| Aug 31, 1980 | 24.25 |
| Jul 31, 1980 | 24.25 |
| Jun 30, 1980 | 24.07 |
| May 31, 1980 | 24.14 |
| Apr 30, 1980 | 24.19 |
| Mar 31, 1980 | 24.27 |
| Feb 29, 1980 | 24.42 |
| Jan 31, 1980 | 24.55 |
| Dec 31, 1979 | 24.69 |
| Nov 30, 1979 | 24.74 |
| Oct 31, 1979 | 24.76 |
| Sep 30, 1979 | 24.75 |
| Aug 31, 1979 | 24.76 |
| Jul 31, 1979 | 24.74 |
| Jun 30, 1979 | 24.75 |
| May 31, 1979 | 24.81 |
| Apr 30, 1979 | 24.90 |
| Mar 31, 1979 | 24.97 |
| Feb 28, 1979 | 25.01 |
| Jan 31, 1979 | 25.09 |
| Dec 31, 1978 | 25.10 |
| Nov 30, 1978 | 25.13 |
| Oct 31, 1978 | 25.16 |
| Sep 30, 1978 | 25.30 |
| Aug 31, 1978 | 25.30 |
| Jul 31, 1978 | 25.23 |
| Jun 30, 1978 | 25.24 |
| May 31, 1978 | 25.32 |
| Apr 30, 1978 | 25.37 |
| Mar 31, 1978 | 25.37 |
| Feb 28, 1978 | 25.34 |
| Jan 31, 1978 | 25.27 |
| Dec 31, 1977 | 25.20 |
| Nov 30, 1977 | 24.98 |
| Oct 31, 1977 | 24.79 |
| Sep 30, 1977 | 24.56 |
| Aug 31, 1977 | 24.39 |
| Jul 31, 1977 | 24.21 |
| Jun 30, 1977 | 24.07 |
| May 31, 1977 | 23.92 |
| Apr 30, 1977 | 23.72 |
| Mar 31, 1977 | 23.60 |
| Feb 28, 1977 | 23.49 |
| Jan 31, 1977 | 23.47 |
| Dec 31, 1976 | 23.32 |
| Nov 30, 1976 | 23.02 |
| Oct 31, 1976 | 22.67 |
| Sep 30, 1976 | 22.40 |
| Aug 31, 1976 | 22.30 |
| Jul 31, 1976 | 22.24 |
| Jun 30, 1976 | 22.18 |
| May 31, 1976 | 22.16 |
| Apr 30, 1976 | 22.18 |
| Mar 31, 1976 | 22.12 |
| Feb 29, 1976 | 22.14 |
| Jan 31, 1976 | 22.20 |
| Dec 31, 1975 | 22.22 |
| Nov 30, 1975 | 22.36 |
| Oct 31, 1975 | 22.59 |
| Sep 30, 1975 | 22.77 |
| Aug 31, 1975 | 22.90 |
| Jul 31, 1975 | 22.94 |
| Jun 30, 1975 | 23.20 |
| May 31, 1975 | 23.29 |
| Apr 30, 1975 | 23.33 |
| Mar 31, 1975 | 23.34 |
| Feb 28, 1975 | 23.28 |
| Jan 31, 1975 | 23.31 |
| Dec 31, 1974 | 23.25 |
| Nov 30, 1974 | 23.40 |
| Oct 31, 1974 | 23.57 |
| Sep 30, 1974 | 23.78 |
| Aug 31, 1974 | 23.86 |
| Jul 31, 1974 | 23.95 |
| Jun 30, 1974 | 23.94 |
| May 31, 1974 | 24.00 |
| Apr 30, 1974 | 24.16 |
| Mar 31, 1974 | 24.12 |
| Feb 28, 1974 | 24.28 |
| Jan 31, 1974 | 24.45 |
| Dec 31, 1973 | 24.52 |
| Nov 30, 1973 | 24.41 |
| Oct 31, 1973 | 24.30 |
| Sep 30, 1973 | 24.24 |
| Aug 31, 1973 | 24.17 |
| Jul 31, 1973 | 24.48 |
| Jun 30, 1973 | 24.41 |
| May 31, 1973 | 24.45 |
| Apr 30, 1973 | 24.49 |
| Mar 31, 1973 | 24.53 |
| Feb 28, 1973 | 24.71 |
| Jan 31, 1973 | 24.83 |
| Dec 31, 1972 | 24.84 |
| Nov 30, 1972 | 24.71 |
| Oct 31, 1972 | 24.59 |
| Sep 30, 1972 | 24.52 |
| Aug 31, 1972 | 24.55 |
| Jul 31, 1972 | 24.58 |
| Jun 30, 1972 | 24.67 |
| May 31, 1972 | 24.73 |
| Apr 30, 1972 | 24.79 |
| Mar 31, 1972 | 24.85 |
| Feb 29, 1972 | 24.91 |
| Jan 31, 1972 | 25.03 |
| Dec 31, 1971 | 25.03 |
| Nov 30, 1971 | 25.21 |
| Oct 31, 1971 | 25.26 |
| Sep 30, 1971 | 25.38 |
| Aug 31, 1971 | 25.41 |
| Jul 31, 1971 | 25.50 |
| Jun 30, 1971 | 25.59 |
| May 31, 1971 | 25.81 |
| Apr 30, 1971 | 25.96 |
| Mar 31, 1971 | 26.06 |
| Feb 28, 1971 | 26.21 |
| Jan 31, 1971 | 26.36 |
| Dec 31, 1970 | 26.44 |
| Nov 30, 1970 | 26.71 |
| Oct 31, 1970 | 26.99 |
| Sep 30, 1970 | 27.27 |
| Aug 31, 1970 | 27.38 |
| Jul 31, 1970 | 27.35 |
| Jun 30, 1970 | 27.47 |
| May 31, 1970 | 27.58 |
| Apr 30, 1970 | 27.62 |
| Mar 31, 1970 | 27.81 |
| Feb 28, 1970 | 27.93 |
| Jan 31, 1970 | 28.05 |
| Dec 31, 1969 | 28.09 |
| Nov 30, 1969 | 28.21 |
| Oct 31, 1969 | 28.33 |
| Sep 30, 1969 | 28.45 |
| Aug 31, 1969 | 28.47 |
| Jul 31, 1969 | 28.56 |
| Jun 30, 1969 | 28.66 |
| May 31, 1969 | 28.72 |
| Apr 30, 1969 | 28.71 |
| Mar 31, 1969 | 28.78 |
| Feb 28, 1969 | 28.93 |
| Jan 31, 1969 | 28.99 |
| Dec 31, 1968 | 28.98 |
| Nov 30, 1968 | 28.94 |
| Oct 31, 1968 | 28.89 |
| Sep 30, 1968 | 28.93 |
| Aug 31, 1968 | 28.88 |
| Jul 31, 1968 | 28.84 |
| Jun 30, 1968 | 28.88 |
| May 31, 1968 | 28.91 |
| Apr 30, 1968 | 28.87 |
| Mar 31, 1968 | 28.82 |
| Feb 29, 1968 | 28.81 |
| Jan 31, 1968 | 28.80 |
| Dec 31, 1967 | 28.87 |
| Nov 30, 1967 | 28.95 |
| Oct 31, 1967 | 29.04 |
| Sep 30, 1967 | 29.12 |
| Aug 31, 1967 | 29.14 |
| Jul 31, 1967 | 29.16 |
| Jun 30, 1967 | 29.18 |
| May 31, 1967 | 29.27 |
| Apr 30, 1967 | 29.36 |
| Mar 31, 1967 | 29.45 |
| Feb 28, 1967 | 29.44 |
| Jan 31, 1967 | 29.34 |
| Dec 31, 1966 | 29.23 |
| Nov 30, 1966 | 29.30 |
| Oct 31, 1966 | 29.37 |
| Sep 30, 1966 | 29.62 |
| Aug 31, 1966 | 29.41 |
| Jul 31, 1966 | 29.39 |
| Jun 30, 1966 | 29.27 |
| May 31, 1966 | 29.19 |
| Apr 30, 1966 | 29.02 |
| Mar 31, 1966 | 29.02 |
| Feb 28, 1966 | 28.90 |
| Jan 31, 1966 | 28.88 |
| Dec 31, 1965 | 28.66 |
| Nov 30, 1965 | 28.54 |
| Oct 31, 1965 | 28.33 |
| Sep 30, 1965 | 28.21 |
| Aug 31, 1965 | 28.03 |
| Jul 31, 1965 | 27.86 |
| Jun 30, 1965 | 27.68 |
| May 31, 1965 | 27.64 |
| Apr 30, 1965 | 27.43 |
| Mar 31, 1965 | 27.30 |
| Feb 28, 1965 | 27.21 |
| Jan 31, 1965 | 27.03 |
| Dec 31, 1964 | 26.85 |
| Nov 30, 1964 | 26.64 |
| Oct 31, 1964 | 26.51 |
| Sep 30, 1964 | 26.29 |
| Aug 31, 1964 | 26.16 |
| Jul 31, 1964 | 25.86 |
| Jun 30, 1964 | 25.73 |
| May 31, 1964 | 25.63 |
| Apr 30, 1964 | 25.45 |
| Mar 31, 1964 | 25.27 |
| Feb 29, 1964 | 25.09 |
| Jan 31, 1964 | 24.91 |
| Dec 31, 1963 | 24.73 |
| Nov 30, 1963 | 24.55 |
| Oct 31, 1963 | 24.30 |
| Sep 30, 1963 | 24.12 |
| Aug 31, 1963 | 24.09 |
| Jul 31, 1963 | 24.05 |
| Jun 30, 1963 | 24.09 |
| May 31, 1963 | 23.99 |
| Apr 30, 1963 | 23.81 |
| Mar 31, 1963 | 23.62 |
| Feb 28, 1963 | 23.63 |
| Jan 31, 1963 | 23.55 |
| Dec 31, 1962 | 23.48 |
| Nov 30, 1962 | 23.30 |
| Oct 31, 1962 | 23.11 |
| Sep 30, 1962 | 22.93 |
| Aug 31, 1962 | 22.93 |
| Jul 31, 1962 | 22.86 |
| Jun 30, 1962 | 22.86 |
| May 31, 1962 | 22.79 |
| Apr 30, 1962 | 22.71 |
| Mar 31, 1962 | 22.71 |
| Feb 28, 1962 | 22.64 |
| Jan 31, 1962 | 22.64 |
| Dec 31, 1961 | 22.56 |
| Nov 30, 1961 | 22.34 |
| Oct 31, 1961 | 22.12 |
| Sep 30, 1961 | 21.89 |
| Aug 31, 1961 | 21.89 |
| Jul 31, 1961 | 21.75 |
| Jun 30, 1961 | 21.82 |
| May 31, 1961 | 21.82 |
| Apr 30, 1961 | 21.82 |
| Mar 31, 1961 | 21.82 |
| Feb 28, 1961 | 21.85 |
| Jan 31, 1961 | 21.89 |
| Dec 31, 1960 | 21.93 |
| Nov 30, 1960 | 21.93 |
| Oct 31, 1960 | 21.93 |
| Sep 30, 1960 | 22.08 |
| Aug 31, 1960 | 22.08 |
| Jul 31, 1960 | 22.08 |
| Jun 30, 1960 | 22.08 |
| May 31, 1960 | 22.11 |
| Apr 30, 1960 | 22.08 |
| Mar 31, 1960 | 22.11 |
| Feb 29, 1960 | 21.70 |
| Jan 31, 1960 | 21.35 |
| Dec 31, 1959 | 20.86 |
| Nov 30, 1959 | 20.78 |
| Oct 31, 1959 | 20.71 |
| Sep 30, 1959 | 20.70 |
| Aug 31, 1959 | 20.70 |
| Jul 31, 1959 | 20.62 |
| Jun 30, 1959 | 20.61 |
| May 31, 1959 | 20.61 |
| Apr 30, 1959 | 20.53 |
| Mar 31, 1959 | 20.52 |
| Feb 28, 1959 | 20.45 |
| Jan 31, 1959 | 20.30 |
| Dec 31, 1958 | 20.29 |
| Nov 30, 1958 | 20.15 |
| Oct 31, 1958 | 20.14 |
| Sep 30, 1958 | 20.06 |
| Aug 31, 1958 | 20.06 |
| Jul 31, 1958 | 19.99 |
| Jun 30, 1958 | 20.06 |
| May 31, 1958 | 20.22 |
| Apr 30, 1958 | 20.37 |
| Mar 31, 1958 | 20.60 |
| Feb 28, 1958 | 20.82 |
| Jan 31, 1958 | 20.90 |
| Dec 31, 1957 | 21.12 |
| Nov 30, 1957 | 21.00 |
| Oct 31, 1957 | 20.96 |
| Sep 30, 1957 | 20.84 |
| Aug 31, 1957 | 20.72 |
| Jul 31, 1957 | 20.60 |
| Jun 30, 1957 | 20.63 |
| May 31, 1957 | 20.71 |
| Apr 30, 1957 | 20.78 |
| Mar 31, 1957 | 20.85 |
| Feb 28, 1957 | 20.97 |
| Jan 31, 1957 | 21.09 |
| Dec 31, 1956 | 21.13 |
| Nov 30, 1956 | 21.61 |
| Oct 31, 1956 | 22.02 |
| Sep 30, 1956 | 22.50 |
| Aug 31, 1956 | 22.42 |
| Jul 31, 1956 | 22.18 |
| Jun 30, 1956 | 22.18 |
| May 31, 1956 | 22.05 |
| Apr 30, 1956 | 21.84 |
| Mar 31, 1956 | 21.63 |
| Feb 29, 1956 | 21.26 |
| Jan 31, 1956 | 20.88 |
| Dec 31, 1955 | 20.51 |
| Nov 30, 1955 | 20.35 |
| Oct 31, 1955 | 20.27 |
| Sep 30, 1955 | 20.18 |
| Aug 31, 1955 | 20.05 |
| Jul 31, 1955 | 19.84 |
| Jun 30, 1955 | 19.71 |
| May 31, 1955 | 19.66 |
| Apr 30, 1955 | 19.62 |
| Mar 31, 1955 | 19.58 |
| Feb 28, 1955 | 19.50 |
| Jan 31, 1955 | 19.41 |
| Dec 31, 1954 | 19.33 |
| Nov 30, 1954 | 18.97 |
| Oct 31, 1954 | 18.67 |
| Sep 30, 1954 | 18.38 |
| Aug 31, 1954 | 18.23 |
| Jul 31, 1954 | 18.15 |
| Jun 30, 1954 | 18.06 |
| May 31, 1954 | 18.15 |
| Apr 30, 1954 | 18.30 |
| Mar 31, 1954 | 18.31 |
| Feb 28, 1954 | 18.23 |
| Jan 31, 1954 | 18.15 |
| Dec 31, 1953 | 18.06 |
| Nov 30, 1953 | 17.94 |
| Oct 31, 1953 | 17.75 |
| Sep 30, 1953 | 17.69 |
| Aug 31, 1953 | 17.69 |
| Jul 31, 1953 | 17.76 |
| Jun 30, 1953 | 17.76 |
| May 31, 1953 | 17.78 |
| Apr 30, 1953 | 17.81 |
| Mar 31, 1953 | 17.76 |
| Feb 28, 1953 | 17.83 |
| Jan 31, 1953 | 17.76 |
| Dec 31, 1952 | 17.70 |
| Nov 30, 1952 | 17.86 |
| Oct 31, 1952 | 18.03 |
| Sep 30, 1952 | 18.20 |
| Aug 31, 1952 | 18.20 |
| Jul 31, 1952 | 18.20 |
| Jun 30, 1952 | 18.34 |
| May 31, 1952 | 18.28 |
| Apr 30, 1952 | 18.15 |
| Mar 31, 1952 | 18.09 |
| Feb 29, 1952 | 18.05 |
| Jan 31, 1952 | 17.87 |
| Dec 31, 1951 | 17.83 |
| Nov 30, 1951 | 18.36 |
| Oct 31, 1951 | 18.97 |
| Sep 30, 1951 | 19.52 |
| Aug 31, 1951 | 19.84 |
| Jul 31, 1951 | 20.01 |
| Jun 30, 1951 | 20.19 |
| May 31, 1951 | 20.01 |
| Apr 30, 1951 | 19.92 |
| Mar 31, 1951 | 19.74 |
| Feb 28, 1951 | 19.60 |
| Jan 31, 1951 | 19.61 |
| Dec 31, 1950 | 19.71 |
| Nov 30, 1950 | 19.31 |
| Oct 31, 1950 | 18.75 |
| Sep 30, 1950 | 18.27 |
| Aug 31, 1950 | 17.74 |
| Jul 31, 1950 | 17.29 |
| Jun 30, 1950 | 16.90 |
| May 31, 1950 | 16.83 |
| Apr 30, 1950 | 16.76 |
| Mar 31, 1950 | 16.61 |
| Feb 28, 1950 | 16.54 |
| Jan 31, 1950 | 16.40 |
| Dec 31, 1949 | 16.19 |
| Nov 30, 1949 | 15.58 |
| Oct 31, 1949 | 15.18 |
| Sep 30, 1949 | 14.58 |
| Aug 31, 1949 | 14.55 |
| Jul 31, 1949 | 14.52 |
| Jun 30, 1949 | 14.30 |
| May 31, 1949 | 14.17 |
| Apr 30, 1949 | 13.93 |
| Mar 31, 1949 | 13.80 |
| Feb 28, 1949 | 13.56 |
| Jan 31, 1949 | 13.22 |
| Dec 31, 1948 | 12.93 |
| Nov 30, 1948 | 12.60 |
| Oct 31, 1948 | 12.22 |
| Sep 30, 1948 | 11.90 |
| Aug 31, 1948 | 11.81 |
| Jul 31, 1948 | 11.77 |
| Jun 30, 1948 | 11.82 |
| May 31, 1948 | 11.92 |
| Apr 30, 1948 | 11.97 |
| Mar 31, 1948 | 12.17 |
| Feb 29, 1948 | 12.07 |
| Jan 31, 1948 | 11.92 |
| Dec 31, 1947 | 12.03 |
| Nov 30, 1947 | 11.94 |
| Oct 31, 1947 | 11.75 |
| Sep 30, 1947 | 11.51 |
| Aug 31, 1947 | 11.62 |
| Jul 31, 1947 | 11.62 |
| Jun 30, 1947 | 11.58 |
| May 31, 1947 | 11.43 |
| Apr 30, 1947 | 11.22 |
| Mar 31, 1947 | 11.02 |
| Feb 28, 1947 | 11.17 |
| Jan 31, 1947 | 11.12 |
| Dec 31, 1946 | 11.07 |
| Nov 30, 1946 | 11.07 |
| Oct 31, 1946 | 11.22 |
| Sep 30, 1946 | 11.34 |
| Aug 31, 1946 | 11.39 |
| Jul 31, 1946 | 11.57 |
| Jun 30, 1946 | 12.19 |
| May 31, 1946 | 12.32 |
| Apr 30, 1946 | 12.38 |
| Mar 31, 1946 | 12.45 |
| Feb 28, 1946 | 12.47 |
| Jan 31, 1946 | 12.28 |
| Dec 31, 1945 | 12.15 |
| Nov 30, 1945 | 12.22 |
| Oct 31, 1945 | 12.22 |
| Sep 30, 1945 | 12.22 |
| Aug 31, 1945 | 12.16 |
| Jul 31, 1945 | 12.10 |
| Jun 30, 1945 | 12.03 |
| May 31, 1945 | 12.17 |
| Apr 30, 1945 | 12.24 |
| Mar 31, 1945 | 12.24 |
| Feb 28, 1945 | 12.17 |
| Jan 31, 1945 | 12.11 |
| Dec 31, 1944 | 12.05 |
| Nov 30, 1944 | 12.12 |
| Oct 31, 1944 | 12.12 |
| Sep 30, 1944 | 12.12 |
| Aug 31, 1944 | 12.05 |
| Jul 31, 1944 | 11.99 |
| Jun 30, 1944 | 12.00 |
| May 31, 1944 | 12.00 |
| Apr 30, 1944 | 11.94 |
| Mar 31, 1944 | 11.94 |
| Feb 29, 1944 | 11.88 |
| Jan 31, 1944 | 11.81 |
| Dec 31, 1943 | 11.75 |
| Nov 30, 1943 | 11.68 |
| Oct 31, 1943 | 11.62 |
| Sep 30, 1943 | 11.56 |
| Aug 31, 1943 | 11.56 |
| Jul 31, 1943 | 11.43 |
| Jun 30, 1943 | 11.30 |
| May 31, 1943 | 11.30 |
| Apr 30, 1943 | 11.36 |
| Mar 31, 1943 | 11.50 |
| Feb 28, 1943 | 11.70 |
| Jan 31, 1943 | 11.70 |
| Dec 31, 1942 | 11.70 |
| Nov 30, 1942 | 11.97 |
| Oct 31, 1942 | 12.24 |
| Sep 30, 1942 | 12.59 |
| Aug 31, 1942 | 12.86 |
| Jul 31, 1942 | 13.21 |
| Jun 30, 1942 | 13.57 |
| May 31, 1942 | 13.77 |
| Apr 30, 1942 | 14.15 |
| Mar 31, 1942 | 14.45 |
| Feb 28, 1942 | 14.78 |
| Jan 31, 1942 | 15.01 |
| Dec 31, 1941 | 15.35 |
| Nov 30, 1941 | 15.38 |
| Oct 31, 1941 | 15.41 |
| Sep 30, 1941 | 15.54 |
| Aug 31, 1941 | 15.67 |
| Jul 31, 1941 | 15.81 |
| Jun 30, 1941 | 15.73 |
| May 31, 1941 | 15.98 |
| Apr 30, 1941 | 16.01 |
| Mar 31, 1941 | 16.05 |
| Feb 28, 1941 | 16.08 |
| Jan 31, 1941 | 16.00 |
| Dec 31, 1940 | 15.92 |
| Nov 30, 1940 | 16.04 |
| Oct 31, 1940 | 16.04 |
| Sep 30, 1940 | 16.04 |
| Aug 31, 1940 | 15.88 |
| Jul 31, 1940 | 15.72 |
| Jun 30, 1940 | 15.45 |
| May 31, 1940 | 15.40 |
| Apr 30, 1940 | 15.24 |
| Mar 31, 1940 | 15.08 |
| Feb 29, 1940 | 15.00 |
| Jan 31, 1940 | 15.03 |
| Dec 31, 1939 | 14.84 |
| Nov 30, 1939 | 14.36 |
| Oct 31, 1939 | 13.88 |
| Sep 30, 1939 | 13.31 |
| Aug 31, 1939 | 13.36 |
| Jul 31, 1939 | 13.11 |
| Jun 30, 1939 | 12.87 |
| May 31, 1939 | 12.79 |
| Apr 30, 1939 | 12.71 |
| Mar 31, 1939 | 12.54 |
| Feb 28, 1939 | 12.46 |
| Jan 31, 1939 | 12.29 |
| Dec 31, 1938 | 12.21 |
| Nov 30, 1938 | 13.40 |
| Oct 31, 1938 | 14.60 |
| Sep 30, 1938 | 15.69 |
| Aug 31, 1938 | 16.32 |
| Jul 31, 1938 | 16.95 |
| Jun 30, 1938 | 17.59 |
| May 31, 1938 | 17.90 |
| Apr 30, 1938 | 18.09 |
| Mar 31, 1938 | 18.54 |
| Feb 28, 1938 | 18.70 |
| Jan 31, 1938 | 18.72 |
| Dec 31, 1937 | 18.62 |
| Nov 30, 1937 | 18.26 |
| Oct 31, 1937 | 17.90 |
| Sep 30, 1937 | 17.67 |
| Aug 31, 1937 | 18.34 |
| Jul 31, 1937 | 18.87 |
| Jun 30, 1937 | 19.55 |
| May 31, 1937 | 18.85 |
| Apr 30, 1937 | 18.28 |
| Mar 31, 1937 | 17.70 |
| Feb 28, 1937 | 17.59 |
| Jan 31, 1937 | 17.35 |
| Dec 31, 1936 | 17.23 |
| Nov 30, 1936 | 16.36 |
| Oct 31, 1936 | 15.48 |
| Sep 30, 1936 | 14.60 |
| Aug 31, 1936 | 14.12 |
| Jul 31, 1936 | 13.74 |
| Jun 30, 1936 | 13.36 |
| May 31, 1936 | 13.05 |
| Apr 30, 1936 | 12.64 |
| Mar 31, 1936 | 12.23 |
| Feb 29, 1936 | 11.90 |
| Jan 31, 1936 | 11.66 |
| Dec 31, 1935 | 11.41 |
| Nov 30, 1935 | 11.17 |
| Oct 31, 1935 | 11.01 |
| Sep 30, 1935 | 10.76 |
| Aug 31, 1935 | 10.76 |
| Jul 31, 1935 | 10.76 |
| Jun 30, 1935 | 10.76 |
| May 31, 1935 | 10.77 |
| Apr 30, 1935 | 10.85 |
| Mar 31, 1935 | 11.01 |
| Feb 28, 1935 | 11.01 |
| Jan 31, 1935 | 11.09 |
| Dec 31, 1934 | 11.25 |
| Nov 30, 1934 | 11.15 |
| Oct 31, 1934 | 11.13 |
| Sep 30, 1934 | 11.03 |
| Aug 31, 1934 | 11.17 |
| Jul 31, 1934 | 11.15 |
| Jun 30, 1934 | 11.13 |
| May 31, 1934 | 11.19 |
| Apr 30, 1934 | 11.17 |
| Mar 31, 1934 | 11.15 |
| Feb 28, 1934 | 11.13 |
| Jan 31, 1934 | 11.19 |
| Dec 31, 1933 | 11.17 |
| Nov 30, 1933 | 11.30 |
| Oct 31, 1933 | 11.42 |
| Sep 30, 1933 | 11.55 |
| Aug 31, 1933 | 11.68 |
| Jul 31, 1933 | 11.90 |
| Jun 30, 1933 | 12.40 |
| May 31, 1933 | 12.63 |
| Apr 30, 1933 | 12.77 |
| Mar 31, 1933 | 12.90 |
| Feb 28, 1933 | 12.93 |
| Jan 31, 1933 | 12.86 |
| Dec 31, 1932 | 12.79 |
| Nov 30, 1932 | 13.37 |
| Oct 31, 1932 | 13.94 |
| Sep 30, 1932 | 14.51 |
| Aug 31, 1932 | 15.06 |
| Jul 31, 1932 | 15.61 |
| Jun 30, 1932 | 16.26 |
| May 31, 1932 | 16.80 |
| Apr 30, 1932 | 17.20 |
| Mar 31, 1932 | 17.71 |
| Feb 29, 1932 | 18.22 |
| Jan 31, 1932 | 18.59 |
| Dec 31, 1931 | 18.82 |
| Nov 30, 1931 | 19.00 |
| Oct 31, 1931 | 19.04 |
| Sep 30, 1931 | 19.21 |
| Aug 31, 1931 | 19.38 |
| Jul 31, 1931 | 19.68 |
| Jun 30, 1931 | 19.97 |
| May 31, 1931 | 20.00 |
| Apr 30, 1931 | 20.04 |
| Mar 31, 1931 | 20.19 |
| Feb 28, 1931 | 20.35 |
| Jan 31, 1931 | 20.38 |
| Dec 31, 1930 | 20.40 |
| Nov 30, 1930 | 20.01 |
| Oct 31, 1930 | 19.87 |
| Sep 30, 1930 | 19.73 |
| Aug 31, 1930 | 19.84 |
| Jul 31, 1930 | 19.70 |
| Jun 30, 1930 | 19.45 |
| May 31, 1930 | 19.32 |
| Apr 30, 1930 | 19.19 |
| Mar 31, 1930 | 19.28 |
| Feb 28, 1930 | 19.16 |
| Jan 31, 1930 | 19.03 |
| Dec 31, 1929 | 18.90 |
| Nov 30, 1929 | 18.60 |
| Oct 31, 1929 | 18.40 |
| Sep 30, 1929 | 18.21 |
| Aug 31, 1929 | 18.02 |
| Jul 31, 1929 | 17.82 |
| Jun 30, 1929 | 17.83 |
| May 31, 1929 | 17.74 |
| Apr 30, 1929 | 17.65 |
| Mar 31, 1929 | 17.35 |
| Feb 28, 1929 | 17.05 |
| Jan 31, 1929 | 16.85 |
| Dec 31, 1928 | 16.66 |
| Nov 30, 1928 | 16.43 |
| Oct 31, 1928 | 16.30 |
| Sep 30, 1928 | 16.08 |
| Aug 31, 1928 | 16.13 |
| Jul 31, 1928 | 16.01 |
| Jun 30, 1928 | 15.87 |
| May 31, 1928 | 15.65 |
| Apr 30, 1928 | 15.61 |
| Mar 31, 1928 | 15.48 |
| Feb 29, 1928 | 15.35 |
| Jan 31, 1928 | 15.05 |
| Dec 31, 1927 | 14.92 |
| Nov 30, 1927 | 14.79 |
| Oct 31, 1927 | 14.57 |
| Sep 30, 1927 | 14.53 |
| Aug 31, 1927 | 14.48 |
| Jul 31, 1927 | 14.27 |
| Jun 30, 1927 | 13.90 |
| May 31, 1927 | 13.93 |
| Apr 30, 1927 | 13.88 |
| Mar 31, 1927 | 13.75 |
| Feb 28, 1927 | 13.55 |
| Jan 31, 1927 | 13.34 |
| Dec 31, 1926 | 13.06 |
| Nov 30, 1926 | 12.92 |
| Oct 31, 1926 | 12.85 |
| Sep 30, 1926 | 12.78 |
| Aug 31, 1926 | 12.71 |
| Jul 31, 1926 | 12.50 |
| Jun 30, 1926 | 12.21 |
| May 31, 1926 | 12.00 |
| Apr 30, 1926 | 11.79 |
| Mar 31, 1926 | 11.72 |
| Feb 28, 1926 | 11.51 |
| Jan 31, 1926 | 11.37 |
| Dec 31, 1925 | 11.23 |
| Nov 30, 1925 | 11.09 |
| Oct 31, 1925 | 11.20 |
| Sep 30, 1925 | 11.12 |
| Aug 31, 1925 | 11.04 |
| Jul 31, 1925 | 10.97 |
| Jun 30, 1925 | 11.01 |
| May 31, 1925 | 11.06 |
| Apr 30, 1925 | 11.04 |
| Mar 31, 1925 | 10.90 |
| Feb 28, 1925 | 10.88 |
| Jan 31, 1925 | 10.74 |
| Dec 31, 1924 | 10.65 |
| Nov 30, 1924 | 10.68 |
| Oct 31, 1924 | 10.65 |
| Sep 30, 1924 | 10.68 |
| Aug 31, 1924 | 10.71 |
| Jul 31, 1924 | 10.62 |
| Jun 30, 1924 | 10.65 |
| May 31, 1924 | 10.61 |
| Apr 30, 1924 | 10.58 |
| Mar 31, 1924 | 10.48 |
| Feb 29, 1924 | 10.39 |
| Jan 31, 1924 | 10.30 |
| Dec 31, 1923 | 10.27 |
| Nov 30, 1923 | 10.23 |
| Oct 31, 1923 | 10.20 |
| Sep 30, 1923 | 10.23 |
| Aug 31, 1923 | 10.26 |
| Jul 31, 1923 | 10.16 |
| Jun 30, 1923 | 10.25 |
| May 31, 1923 | 10.28 |
| Apr 30, 1923 | 10.25 |
| Mar 31, 1923 | 10.27 |
| Feb 28, 1923 | 10.24 |
| Jan 31, 1923 | 10.21 |
| Dec 31, 1922 | 10.11 |
| Nov 30, 1922 | 10.09 |
| Oct 31, 1922 | 10.07 |
| Sep 30, 1922 | 10.04 |
| Aug 31, 1922 | 9.96 |
| Jul 31, 1922 | 9.76 |
| Jun 30, 1922 | 9.73 |
| May 31, 1922 | 9.65 |
| Apr 30, 1922 | 9.57 |
| Mar 31, 1922 | 9.48 |
| Feb 28, 1922 | 9.29 |
| Jan 31, 1922 | 9.20 |
| Dec 31, 1921 | 8.91 |
| Nov 30, 1921 | 8.94 |
| Oct 31, 1921 | 8.97 |
| Sep 30, 1921 | 9.05 |
| Aug 31, 1921 | 9.03 |
| Jul 31, 1921 | 9.10 |
| Jun 30, 1921 | 9.23 |
| May 31, 1921 | 9.26 |
| Apr 30, 1921 | 9.13 |
| Mar 31, 1921 | 9.11 |
| Feb 28, 1921 | 9.14 |
| Jan 31, 1921 | 8.92 |
| Dec 31, 1920 | 8.81 |
| Nov 30, 1920 | 8.66 |
| Oct 31, 1920 | 8.64 |
| Sep 30, 1920 | 8.63 |
| Aug 31, 1920 | 8.53 |
| Jul 31, 1920 | 8.35 |
| Jun 30, 1920 | 8.34 |
| May 31, 1920 | 8.49 |
| Apr 30, 1920 | 8.64 |
| Mar 31, 1920 | 8.93 |
| Feb 29, 1920 | 9.05 |
| Jan 31, 1920 | 9.17 |
| Dec 31, 1919 | 9.40 |
| Nov 30, 1919 | 9.66 |
| Oct 31, 1919 | 9.94 |
| Sep 30, 1919 | 10.17 |
| Aug 31, 1919 | 10.29 |
| Jul 31, 1919 | 10.53 |
| Jun 30, 1919 | 10.91 |
| May 31, 1919 | 10.97 |
| Apr 30, 1919 | 11.17 |
| Mar 31, 1919 | 11.44 |
| Feb 28, 1919 | 11.65 |
| Jan 31, 1919 | 11.51 |
| Dec 31, 1918 | 11.58 |
| Nov 30, 1918 | 11.92 |
| Oct 31, 1918 | 12.36 |
| Sep 30, 1918 | 12.81 |
| Aug 31, 1918 | 13.27 |
| Jul 31, 1918 | 13.76 |
| Jun 30, 1918 | 14.36 |
| May 31, 1918 | 14.79 |
| Apr 30, 1918 | 15.34 |
| Mar 31, 1918 | 15.80 |
| Feb 28, 1918 | 15.92 |
| Jan 31, 1918 | 16.28 |
| Dec 31, 1917 | 16.88 |
| Nov 30, 1917 | 16.86 |
| Oct 31, 1917 | 16.59 |
| Sep 30, 1917 | 16.57 |
| Aug 31, 1917 | 16.67 |
| Jul 31, 1917 | 16.65 |
| Jun 30, 1917 | 16.11 |
| May 31, 1917 | 16.08 |
| Apr 30, 1917 | 16.05 |
| Mar 31, 1917 | 16.55 |
| Feb 28, 1917 | 16.25 |
| Jan 31, 1917 | 16.35 |
| Dec 31, 1916 | 16.18 |
| Nov 30, 1916 | 16.00 |
| Oct 31, 1916 | 15.96 |
| Sep 30, 1916 | 15.93 |
| Aug 31, 1916 | 15.89 |
| Jul 31, 1916 | 15.69 |
| Jun 30, 1916 | 15.36 |
| May 31, 1916 | 15.17 |
| Apr 30, 1916 | 14.96 |
| Mar 31, 1916 | 14.76 |
| Feb 29, 1916 | 14.56 |
| Jan 31, 1916 | 14.20 |
| Dec 31, 1915 | 13.99 |
| Nov 30, 1915 | 13.96 |
| Oct 31, 1915 | 14.07 |
| Sep 30, 1915 | 14.18 |
| Aug 31, 1915 | 14.16 |
| Jul 31, 1915 | 14.13 |
| Jun 30, 1915 | 14.10 |
| May 31, 1915 | 14.08 |
| Apr 30, 1915 | 14.19 |
| Mar 31, 1915 | 14.30 |
| Feb 28, 1915 | 14.13 |
| Jan 31, 1915 | 13.96 |
| Dec 31, 1914 | 13.94 |
| Nov 30, 1914 | 13.96 |
| Oct 31, 1914 | 14.27 |
| Sep 30, 1914 | 14.29 |
| Aug 31, 1914 | 14.46 |
| Jul 31, 1914 | 14.91 |
| Jun 30, 1914 | 15.23 |
| May 31, 1914 | 15.40 |
| Apr 30, 1914 | 15.73 |
| Mar 31, 1914 | 15.74 |
| Feb 28, 1914 | 15.91 |
| Jan 31, 1914 | 15.92 |
| Dec 31, 1913 | 16.09 |
| Nov 30, 1913 | 15.93 |
| Oct 31, 1913 | 16.09 |
| Sep 30, 1913 | 16.09 |
| Aug 31, 1913 | 16.25 |
| Jul 31, 1913 | 16.25 |
| Jun 30, 1913 | 16.41 |
| May 31, 1913 | 16.58 |
| Apr 30, 1913 | 16.41 |
| Mar 31, 1913 | 16.41 |
| Feb 28, 1913 | 16.41 |
| Jan 31, 1913 | 16.41 |
| Dec 31, 1912 | 16.58 |
| Nov 30, 1912 | 16.39 |
| Oct 31, 1912 | 16.36 |
| Sep 30, 1912 | 16.33 |
| Aug 31, 1912 | 16.47 |
| Jul 31, 1912 | 16.59 |
| Jun 30, 1912 | 16.56 |
| May 31, 1912 | 16.38 |
| Apr 30, 1912 | 16.35 |
| Mar 31, 1912 | 16.81 |
| Feb 29, 1912 | 17.13 |
| Jan 31, 1912 | 17.28 |
| Dec 31, 1911 | 17.42 |
| Nov 30, 1911 | 17.25 |
| Oct 31, 1911 | 17.06 |
| Sep 30, 1911 | 17.06 |
| Aug 31, 1911 | 17.25 |
| Jul 31, 1911 | 17.80 |
| Jun 30, 1911 | 18.00 |
| May 31, 1911 | 18.00 |
| Apr 30, 1911 | 18.00 |
| Mar 31, 1911 | 17.42 |
| Feb 28, 1911 | 17.62 |
| Jan 31, 1911 | 17.06 |
| Dec 31, 1910 | 17.06 |
| Nov 30, 1910 | 16.97 |
| Oct 31, 1910 | 16.54 |
| Sep 30, 1910 | 15.98 |
| Aug 31, 1910 | 15.73 |
| Jul 31, 1910 | 15.49 |
| Jun 30, 1910 | 15.40 |
| May 31, 1910 | 15.18 |
| Apr 30, 1910 | 14.81 |
| Mar 31, 1910 | 14.86 |
| Feb 28, 1910 | 15.06 |
| Jan 31, 1910 | 14.98 |
| Dec 31, 1909 | 14.76 |
| Nov 30, 1909 | 14.78 |
| Oct 31, 1909 | 14.82 |
| Sep 30, 1909 | 15.00 |
| Aug 31, 1909 | 15.04 |
| Jul 31, 1909 | 15.06 |
| Jun 30, 1909 | 14.94 |
| May 31, 1909 | 14.98 |
| Apr 30, 1909 | 15.01 |
| Mar 31, 1909 | 15.20 |
| Feb 28, 1909 | 15.08 |
| Jan 31, 1909 | 15.12 |
| Dec 31, 1908 | 14.83 |
| Nov 30, 1908 | 15.12 |
| Oct 31, 1908 | 15.40 |
| Sep 30, 1908 | 15.70 |
| Aug 31, 1908 | 15.83 |
| Jul 31, 1908 | 15.96 |
| Jun 30, 1908 | 16.25 |
| May 31, 1908 | 16.38 |
| Apr 30, 1908 | 16.51 |
| Mar 31, 1908 | 16.83 |
| Feb 29, 1908 | 16.96 |
| Jan 31, 1908 | 16.90 |
| Dec 31, 1907 | 16.85 |
| Nov 30, 1907 | 16.37 |
| Oct 31, 1907 | 15.58 |
| Sep 30, 1907 | 15.61 |
| Aug 31, 1907 | 15.49 |
| Jul 31, 1907 | 15.37 |
| Jun 30, 1907 | 15.25 |
| May 31, 1907 | 15.30 |
| Apr 30, 1907 | 15.49 |
| Mar 31, 1907 | 15.37 |
| Feb 28, 1907 | 15.08 |
| Jan 31, 1907 | 15.27 |
| Dec 31, 1906 | 14.99 |
| Nov 30, 1906 | 14.93 |
| Oct 31, 1906 | 14.87 |
| Sep 30, 1906 | 14.97 |
| Aug 31, 1906 | 14.90 |
| Jul 31, 1906 | 15.01 |
| Jun 30, 1906 | 14.29 |
| May 31, 1906 | 14.06 |
| Apr 30, 1906 | 13.98 |
| Mar 31, 1906 | 13.75 |
| Feb 28, 1906 | 13.52 |
| Jan 31, 1906 | 13.29 |
| Dec 31, 1905 | 13.06 |
| Nov 30, 1905 | 13.14 |
| Oct 31, 1905 | 13.22 |
| Sep 30, 1905 | 13.15 |
| Aug 31, 1905 | 12.94 |
| Jul 31, 1905 | 13.02 |
| Jun 30, 1905 | 12.95 |
| May 31, 1905 | 12.88 |
| Apr 30, 1905 | 12.68 |
| Mar 31, 1905 | 12.61 |
| Feb 28, 1905 | 12.40 |
| Jan 31, 1905 | 12.33 |
| Dec 31, 1904 | 12.27 |
| Nov 30, 1904 | 12.40 |
| Oct 31, 1904 | 12.82 |
| Sep 30, 1904 | 12.95 |
| Aug 31, 1904 | 13.25 |
| Jul 31, 1904 | 13.53 |
| Jun 30, 1904 | 13.67 |
| May 31, 1904 | 13.81 |
| Apr 30, 1904 | 13.63 |
| Mar 31, 1904 | 13.61 |
| Feb 29, 1904 | 13.58 |
| Jan 31, 1904 | 14.03 |
| Dec 31, 1903 | 14.50 |
| Nov 30, 1903 | 14.43 |
| Oct 31, 1903 | 14.20 |
| Sep 30, 1903 | 13.96 |
| Aug 31, 1903 | 14.06 |
| Jul 31, 1903 | 14.00 |
| Jun 30, 1903 | 13.93 |
| May 31, 1903 | 13.86 |
| Apr 30, 1903 | 13.48 |
| Mar 31, 1903 | 13.41 |
| Feb 28, 1903 | 12.90 |
| Jan 31, 1903 | 12.84 |
| Dec 31, 1902 | 12.92 |
| Nov 30, 1902 | 13.03 |
| Oct 31, 1902 | 12.57 |
| Sep 30, 1902 | 13.42 |
| Aug 31, 1902 | 13.53 |
| Jul 31, 1902 | 13.35 |
| Jun 30, 1902 | 13.31 |
| May 31, 1902 | 13.43 |
| Apr 30, 1902 | 13.56 |
| Mar 31, 1902 | 13.68 |
| Feb 28, 1902 | 13.65 |
| Jan 31, 1902 | 13.61 |
| Dec 31, 1901 | 13.42 |
| Nov 30, 1901 | 13.50 |
| Oct 31, 1901 | 13.61 |
| Sep 30, 1901 | 13.53 |
| Aug 31, 1901 | 13.62 |
| Jul 31, 1901 | 13.73 |
| Jun 30, 1901 | 13.81 |
| May 31, 1901 | 13.74 |
| Apr 30, 1901 | 13.67 |
| Mar 31, 1901 | 13.43 |
| Feb 28, 1901 | 13.36 |
| Jan 31, 1901 | 13.11 |
| Dec 31, 1900 | 13.21 |
| Nov 30, 1900 | 12.71 |
| Oct 31, 1900 | 12.39 |
| Sep 30, 1900 | 11.92 |
| Aug 31, 1900 | 11.74 |
| Jul 31, 1900 | 11.28 |
| Jun 30, 1900 | 11.08 |
| May 31, 1900 | 10.63 |
| Apr 30, 1900 | 10.07 |
| Mar 31, 1900 | 9.75 |
| Feb 28, 1900 | 9.44 |
| Jan 31, 1900 | 9.23 |
| Dec 31, 1899 | 8.91 |
| Nov 30, 1899 | 8.99 |
| Oct 31, 1899 | 9.05 |
| Sep 30, 1899 | 9.14 |
| Aug 31, 1899 | 9.45 |
| Jul 31, 1899 | 9.54 |
| Jun 30, 1899 | 9.62 |
| May 31, 1899 | 9.72 |
| Apr 30, 1899 | 9.68 |
| Mar 31, 1899 | 9.76 |
| Feb 28, 1899 | 9.73 |
| Jan 31, 1899 | 9.95 |
| Dec 31, 1898 | 9.91 |
| Nov 30, 1898 | 9.98 |
| Oct 31, 1898 | 9.90 |
| Sep 30, 1898 | 9.81 |
| Aug 31, 1898 | 9.73 |
| Jul 31, 1898 | 9.65 |
| Jun 30, 1898 | 9.42 |
| May 31, 1898 | 8.73 |
| Apr 30, 1898 | 9.26 |
| Mar 31, 1898 | 9.17 |
| Feb 28, 1898 | 9.09 |
| Jan 31, 1898 | 9.14 |
| Dec 31, 1897 | 9.06 |
| Nov 30, 1897 | 9.06 |
| Oct 31, 1897 | 9.06 |
| Sep 30, 1897 | 8.92 |
| Aug 31, 1897 | 9.18 |
| Jul 31, 1897 | 9.61 |
| Jun 30, 1897 | 9.61 |
| May 31, 1897 | 9.61 |
| Apr 30, 1897 | 9.47 |
| Mar 31, 1897 | 9.32 |
| Feb 28, 1897 | 9.32 |
| Jan 31, 1897 | 9.32 |
| Dec 31, 1896 | 9.06 |
| Nov 30, 1896 | 9.10 |
| Oct 31, 1896 | 9.41 |
| Sep 30, 1896 | 9.74 |
| Aug 31, 1896 | 9.78 |
| Jul 31, 1896 | 9.83 |
| Jun 30, 1896 | 9.87 |
| May 31, 1896 | 9.77 |
| Apr 30, 1896 | 9.67 |
| Mar 31, 1896 | 9.56 |
| Feb 29, 1896 | 9.60 |
| Jan 31, 1896 | 9.52 |
| Dec 31, 1895 | 9.42 |
| Nov 30, 1895 | 9.38 |
| Oct 31, 1895 | 9.46 |
| Sep 30, 1895 | 9.54 |
| Aug 31, 1895 | 9.62 |
| Jul 31, 1895 | 9.56 |
| Jun 30, 1895 | 9.52 |
| May 31, 1895 | 9.73 |
| Apr 30, 1895 | 9.95 |
| Mar 31, 1895 | 10.46 |
| Feb 28, 1895 | 10.54 |
| Jan 31, 1895 | 10.62 |
| Dec 31, 1894 | 10.71 |
| Nov 30, 1894 | 10.73 |
| Oct 31, 1894 | 10.90 |
| Sep 30, 1894 | 10.76 |
| Aug 31, 1894 | 11.07 |
| Jul 31, 1894 | 11.56 |
| Jun 30, 1894 | 11.73 |
| May 31, 1894 | 11.90 |
| Apr 30, 1894 | 12.07 |
| Mar 31, 1894 | 12.24 |
| Feb 28, 1894 | 12.06 |
| Jan 31, 1894 | 12.07 |
| Dec 31, 1893 | 11.90 |
| Nov 30, 1893 | 11.70 |
| Oct 31, 1893 | 11.35 |
| Sep 30, 1893 | 11.47 |
| Aug 31, 1893 | 11.90 |
| Jul 31, 1893 | 11.39 |
| Jun 30, 1893 | 11.07 |
| May 31, 1893 | 10.75 |
| Apr 30, 1893 | 10.58 |
| Mar 31, 1893 | 10.42 |
| Feb 28, 1893 | 10.14 |
| Jan 31, 1893 | 10.21 |
| Dec 31, 1892 | 10.57 |
| Nov 30, 1892 | 10.62 |
| Oct 31, 1892 | 10.82 |
| Sep 30, 1892 | 10.74 |
| Aug 31, 1892 | 10.67 |
| Jul 31, 1892 | 10.74 |
| Jun 30, 1892 | 10.95 |
| May 31, 1892 | 10.87 |
| Apr 30, 1892 | 10.79 |
| Mar 31, 1892 | 10.56 |
| Feb 29, 1892 | 10.21 |
| Jan 31, 1892 | 10.14 |
| Dec 31, 1891 | 9.80 |
| Nov 30, 1891 | 9.80 |
| Oct 31, 1891 | 9.69 |
| Sep 30, 1891 | 9.69 |
| Aug 31, 1891 | 9.56 |
| Jul 31, 1891 | 9.56 |
| Jun 30, 1891 | 9.45 |
| May 31, 1891 | 9.23 |
| Apr 30, 1891 | 9.11 |
| Mar 31, 1891 | 9.23 |
| Feb 28, 1891 | 9.33 |
| Jan 31, 1891 | 9.45 |
| Dec 31, 1890 | 9.33 |
| Nov 30, 1890 | 9.33 |
| Oct 31, 1890 | 9.11 |
| Sep 30, 1890 | 9.11 |
| Aug 31, 1890 | 9.23 |
| Jul 31, 1890 | 9.56 |
| Jun 30, 1890 | 9.56 |
| May 31, 1890 | 9.56 |
| Apr 30, 1890 | 9.69 |
| Mar 31, 1890 | 9.69 |
| Feb 28, 1890 | 9.69 |
| Jan 31, 1890 | 9.69 |
| Dec 31, 1889 | 9.45 |
| Nov 30, 1889 | 9.60 |
| Oct 31, 1889 | 9.64 |
| Sep 30, 1889 | 9.67 |
| Aug 31, 1889 | 9.83 |
| Jul 31, 1889 | 9.87 |
| Jun 30, 1889 | 9.91 |
| May 31, 1889 | 9.94 |
| Apr 30, 1889 | 9.74 |
| Mar 31, 1889 | 9.77 |
| Feb 28, 1889 | 9.68 |
| Jan 31, 1889 | 9.61 |
| Dec 31, 1888 | 9.31 |
| Nov 30, 1888 | 9.38 |
| Oct 31, 1888 | 9.56 |
| Sep 30, 1888 | 9.73 |
| Aug 31, 1888 | 9.81 |
| Jul 31, 1888 | 9.87 |
| Jun 30, 1888 | 10.07 |
| May 31, 1888 | 10.01 |
| Apr 30, 1888 | 9.97 |
| Mar 31, 1888 | 9.92 |
| Feb 29, 1888 | 9.98 |
| Jan 31, 1888 | 9.94 |
| Dec 31, 1887 | 10.12 |
| Nov 30, 1887 | 10.25 |
| Oct 31, 1887 | 10.28 |
| Sep 30, 1887 | 10.29 |
| Aug 31, 1887 | 10.07 |
| Jul 31, 1887 | 10.07 |
| Jun 30, 1887 | 9.86 |
| May 31, 1887 | 9.63 |
| Apr 30, 1887 | 9.53 |
| Mar 31, 1887 | 9.42 |
| Feb 28, 1887 | 9.32 |
| Jan 31, 1887 | 9.33 |
| Dec 31, 1886 | 9.45 |
| Nov 30, 1886 | 9.64 |
| Oct 31, 1886 | 9.71 |
| Sep 30, 1886 | 9.78 |
| Aug 31, 1886 | 9.85 |
| Jul 31, 1886 | 10.05 |
| Jun 30, 1886 | 10.25 |
| May 31, 1886 | 10.20 |
| Apr 30, 1886 | 10.02 |
| Mar 31, 1886 | 9.97 |
| Feb 28, 1886 | 9.93 |
| Jan 31, 1886 | 9.99 |
| Dec 31, 1885 | 9.83 |
| Nov 30, 1885 | 10.31 |
| Oct 31, 1885 | 10.68 |
| Sep 30, 1885 | 10.92 |
| Aug 31, 1885 | 11.04 |
| Jul 31, 1885 | 11.29 |
| Jun 30, 1885 | 11.67 |
| May 31, 1885 | 11.63 |
| Apr 30, 1885 | 11.60 |
| Mar 31, 1885 | 11.98 |
| Feb 28, 1885 | 11.94 |
| Jan 31, 1885 | 12.31 |
| Dec 31, 1884 | 12.55 |
| Nov 30, 1884 | 12.48 |
| Oct 31, 1884 | 12.27 |
| Sep 30, 1884 | 12.19 |
| Aug 31, 1884 | 12.13 |
| Jul 31, 1884 | 12.19 |
| Jun 30, 1884 | 12.12 |
| May 31, 1884 | 12.18 |
| Apr 30, 1884 | 11.99 |
| Mar 31, 1884 | 11.80 |
| Feb 29, 1884 | 11.86 |
| Jan 31, 1884 | 11.92 |
| Dec 31, 1883 | 11.98 |
| Nov 30, 1883 | 12.08 |
| Oct 31, 1883 | 11.92 |
| Sep 30, 1883 | 11.89 |
| Aug 31, 1883 | 11.75 |
| Jul 31, 1883 | 11.71 |
| Jun 30, 1883 | 11.45 |
| May 31, 1883 | 11.09 |
| Apr 30, 1883 | 10.94 |
| Mar 31, 1883 | 10.82 |
| Feb 28, 1883 | 10.68 |
| Jan 31, 1883 | 10.76 |
| Dec 31, 1882 | 10.73 |
| Nov 30, 1882 | 10.63 |
| Oct 31, 1882 | 10.53 |
| Sep 30, 1882 | 10.43 |
| Aug 31, 1882 | 10.16 |
| Jul 31, 1882 | 10.24 |
| Jun 30, 1882 | 10.16 |
| May 31, 1882 | 10.24 |
| Apr 30, 1882 | 10.34 |
| Mar 31, 1882 | 10.43 |
| Feb 28, 1882 | 10.43 |
| Jan 31, 1882 | 10.53 |
| Dec 31, 1881 | 10.53 |
| Nov 30, 1881 | 10.37 |
| Oct 31, 1881 | 10.11 |
| Sep 30, 1881 | 10.04 |
| Aug 31, 1881 | 10.26 |
| Jul 31, 1881 | 10.29 |
| Jun 30, 1881 | 10.22 |
| May 31, 1881 | 10.04 |
| Apr 30, 1881 | 9.76 |
| Mar 31, 1881 | 9.69 |
| Feb 28, 1881 | 9.51 |
| Jan 31, 1881 | 9.43 |
| Dec 31, 1880 | 9.16 |
| Nov 30, 1880 | 9.07 |
| Oct 31, 1880 | 8.99 |
| Sep 30, 1880 | 8.81 |
| Aug 31, 1880 | 8.71 |
| Jul 31, 1880 | 8.53 |
| Jun 30, 1880 | 8.35 |
| May 31, 1880 | 8.00 |
| Apr 30, 1880 | 7.60 |
| Mar 31, 1880 | 7.14 |
| Feb 29, 1880 | 7.04 |
| Jan 31, 1880 | 6.88 |
| Dec 31, 1879 | 6.91 |
| Nov 30, 1879 | 7.05 |
| Oct 31, 1879 | 7.37 |
| Sep 30, 1879 | 7.72 |
| Aug 31, 1879 | 7.92 |
| Jul 31, 1879 | 7.85 |
| Jun 30, 1879 | 7.87 |
| May 31, 1879 | 7.71 |
| Apr 30, 1879 | 7.65 |
| Mar 31, 1879 | 7.49 |
| Feb 28, 1879 | 7.34 |
| Jan 31, 1879 | 7.35 |
| Dec 31, 1878 | 7.37 |
| Nov 30, 1878 | 7.24 |
| Oct 31, 1878 | 7.19 |
| Sep 30, 1878 | 7.14 |
| Aug 31, 1878 | 7.18 |
| Jul 31, 1878 | 7.29 |
| Jun 30, 1878 | 7.41 |
| May 31, 1878 | 7.27 |
| Apr 30, 1878 | 7.07 |
| Mar 31, 1878 | 7.03 |
| Feb 28, 1878 | 6.91 |
| Jan 31, 1878 | 6.87 |
| Dec 31, 1877 | 6.70 |
| Nov 30, 1877 | 7.02 |
| Oct 31, 1877 | 7.20 |
| Sep 30, 1877 | 7.51 |
| Aug 31, 1877 | 7.75 |
| Jul 31, 1877 | 7.76 |
| Jun 30, 1877 | 8.14 |
| May 31, 1877 | 7.99 |
| Apr 30, 1877 | 8.43 |
| Mar 31, 1877 | 8.97 |
| Feb 28, 1877 | 8.86 |
| Jan 31, 1877 | 8.91 |
| Dec 31, 1876 | 9.35 |
| Nov 30, 1876 | 9.52 |
| Oct 31, 1876 | 9.60 |
| Sep 30, 1876 | 9.78 |
| Aug 31, 1876 | 9.88 |
| Jul 31, 1876 | 9.96 |
| Jun 30, 1876 | 9.96 |
| May 31, 1876 | 9.69 |
| Apr 30, 1876 | 9.35 |
| Mar 31, 1876 | 9.27 |
| Feb 29, 1876 | 9.27 |
| Jan 31, 1876 | 9.27 |
| Dec 31, 1875 | 9.19 |
| Nov 30, 1875 | 9.18 |
| Oct 31, 1875 | 9.18 |
| Sep 30, 1875 | 9.26 |
| Aug 31, 1875 | 9.25 |
| Jul 31, 1875 | 9.41 |
| Jun 30, 1875 | 9.48 |
| May 31, 1875 | 9.40 |
| Apr 30, 1875 | 9.24 |
| Mar 31, 1875 | 9.39 |
| Feb 28, 1875 | 9.46 |
| Jan 31, 1875 | 9.54 |
| Dec 31, 1874 | 9.61 |
| Nov 30, 1874 | 9.61 |
| Oct 31, 1874 | 9.53 |
| Sep 30, 1874 | 9.37 |
| Aug 31, 1874 | 9.37 |
| Jul 31, 1874 | 9.30 |
| Jun 30, 1874 | 9.37 |
| May 31, 1874 | 9.15 |
| Apr 30, 1874 | 9.08 |
| Mar 31, 1874 | 8.94 |
| Feb 28, 1874 | 8.94 |
| Jan 31, 1874 | 8.94 |
| Dec 31, 1873 | 9.08 |
| Nov 30, 1873 | 9.23 |
| Oct 31, 1873 | 8.88 |
| Sep 30, 1873 | 8.60 |
| Aug 31, 1873 | 8.54 |
| Jul 31, 1873 | 8.47 |
| Jun 30, 1873 | 8.40 |
| May 31, 1873 | 8.09 |
| Apr 30, 1873 | 7.85 |
| Mar 31, 1873 | 7.79 |
| Feb 28, 1873 | 7.73 |
| Jan 31, 1873 | 7.83 |
| Dec 31, 1872 | 7.77 |
| Nov 30, 1872 | 7.57 |
| Oct 31, 1872 | 7.71 |
| Sep 30, 1872 | 7.46 |
| Aug 31, 1872 | 7.43 |
| Jul 31, 1872 | 7.39 |
| Jun 30, 1872 | 7.20 |
| May 31, 1872 | 7.06 |
| Apr 30, 1872 | 6.98 |
| Mar 31, 1872 | 7.05 |
| Feb 29, 1872 | 7.07 |
| Jan 31, 1872 | 6.98 |
| Dec 31, 1871 | 6.89 |
| Nov 30, 1871 | 7.04 |
| Oct 31, 1871 | 7.04 |
| Sep 30, 1871 | 7.15 |
| Aug 31, 1871 | 7.33 |
| Jul 31, 1871 | 7.21 |
| Jun 30, 1871 | 7.21 |
| May 31, 1871 | 7.10 |
| Apr 30, 1871 | 6.94 |
| Mar 31, 1871 | 6.69 |
| Feb 28, 1871 | 6.79 |
| Jan 31, 1871 | 6.99 |
12-month real dividend per share — inflation adjusted May, 2026 dollars.
Data courtesy Standard & Poor’s and Robert Shiller.