| Date | Value |
|---|---|
| Dec 31, 2025 | 79.21 |
| Nov 30, 2025 | 79.05 |
| Oct 31, 2025 | 78.82 |
| Sep 30, 2025 | 78.59 |
| Aug 31, 2025 | 78.41 |
| Jul 31, 2025 | 78.25 |
| Jun 30, 2025 | 77.99 |
| May 31, 2025 | 77.85 |
| Apr 30, 2025 | 77.61 |
| Mar 31, 2025 | 77.44 |
| Feb 28, 2025 | 77.17 |
| Jan 31, 2025 | 77.07 |
| Dec 31, 2024 | 77.12 |
| Nov 30, 2024 | 76.65 |
| Oct 31, 2024 | 76.12 |
| Sep 30, 2024 | 75.72 |
| Aug 31, 2024 | 75.35 |
| Jul 31, 2024 | 74.92 |
| Jun 30, 2024 | 74.51 |
| May 31, 2024 | 74.14 |
| Apr 30, 2024 | 73.87 |
| Mar 31, 2024 | 73.75 |
| Feb 29, 2024 | 74.05 |
| Jan 31, 2024 | 74.32 |
| Dec 31, 2023 | 74.55 |
| Nov 30, 2023 | 74.12 |
| Oct 31, 2023 | 73.62 |
| Sep 30, 2023 | 73.25 |
| Aug 31, 2023 | 73.22 |
| Jul 31, 2023 | 73.32 |
| Jun 30, 2023 | 73.25 |
| May 31, 2023 | 73.31 |
| Apr 30, 2023 | 73.31 |
| Mar 31, 2023 | 73.50 |
| Feb 28, 2023 | 73.28 |
| Jan 31, 2023 | 73.22 |
| Dec 31, 2022 | 73.34 |
| Nov 30, 2022 | 72.53 |
| Oct 31, 2022 | 71.87 |
| Sep 30, 2022 | 71.58 |
| Aug 31, 2022 | 71.26 |
| Jul 31, 2022 | 70.76 |
| Jun 30, 2022 | 70.27 |
| May 31, 2022 | 70.48 |
| Apr 30, 2022 | 70.49 |
| Mar 31, 2022 | 70.11 |
| Feb 28, 2022 | 70.44 |
| Jan 31, 2022 | 70.48 |
| Dec 31, 2021 | 70.46 |
| Nov 30, 2021 | 70.23 |
| Oct 31, 2021 | 70.13 |
| Sep 30, 2021 | 70.26 |
| Aug 31, 2021 | 69.90 |
| Jul 31, 2021 | 69.49 |
| Jun 30, 2021 | 69.27 |
| May 31, 2021 | 69.82 |
| Apr 30, 2021 | 70.29 |
| Mar 31, 2021 | 70.77 |
| Feb 28, 2021 | 71.54 |
| Jan 31, 2021 | 72.20 |
| Dec 31, 2020 | 72.77 |
| Nov 30, 2020 | 73.08 |
| Oct 31, 2020 | 73.27 |
| Sep 30, 2020 | 73.54 |
| Aug 31, 2020 | 73.99 |
| Jul 31, 2020 | 74.57 |
| Jun 30, 2020 | 75.30 |
| May 31, 2020 | 75.67 |
| Apr 30, 2020 | 75.63 |
| Mar 31, 2020 | 75.08 |
| Feb 29, 2020 | 74.35 |
| Jan 31, 2020 | 73.99 |
| Dec 31, 2019 | 73.72 |
| Nov 30, 2019 | 73.22 |
| Oct 31, 2019 | 72.75 |
| Sep 30, 2019 | 72.48 |
| Aug 31, 2019 | 72.06 |
| Jul 31, 2019 | 71.57 |
| Jun 30, 2019 | 71.21 |
| May 31, 2019 | 70.74 |
| Apr 30, 2019 | 70.41 |
| Mar 31, 2019 | 70.29 |
| Feb 28, 2019 | 70.18 |
| Jan 31, 2019 | 69.96 |
| Dec 31, 2018 | 69.58 |
| Nov 30, 2018 | 68.76 |
| Oct 31, 2018 | 67.92 |
| Sep 30, 2018 | 67.44 |
| Aug 31, 2018 | 66.93 |
| Jul 31, 2018 | 66.39 |
| Jun 30, 2018 | 65.82 |
| May 31, 2018 | 65.49 |
| Apr 30, 2018 | 65.34 |
| Mar 31, 2018 | 65.17 |
| Feb 28, 2018 | 64.85 |
| Jan 31, 2018 | 64.68 |
| Dec 31, 2017 | 64.56 |
| Nov 30, 2017 | 64.19 |
| Oct 31, 2017 | 63.86 |
| Sep 30, 2017 | 63.48 |
| Aug 31, 2017 | 63.40 |
| Jul 31, 2017 | 63.16 |
| Jun 30, 2017 | 62.70 |
| May 31, 2017 | 62.38 |
| Apr 30, 2017 | 62.07 |
| Mar 31, 2017 | 61.88 |
| Feb 28, 2017 | 61.63 |
| Jan 31, 2017 | 61.51 |
| Dec 31, 2016 | 61.57 |
| Nov 30, 2016 | 61.28 |
| Oct 31, 2016 | 60.89 |
| Sep 30, 2016 | 60.66 |
| Aug 31, 2016 | 60.55 |
| Jul 31, 2016 | 60.35 |
| Jun 30, 2016 | 60.00 |
| May 31, 2016 | 59.93 |
| Apr 30, 2016 | 59.91 |
| Mar 31, 2016 | 59.93 |
| Feb 29, 2016 | 59.96 |
| Jan 31, 2016 | 59.79 |
| Dec 31, 2015 | 59.66 |
| Nov 30, 2015 | 59.06 |
| Oct 31, 2015 | 58.53 |
| Sep 30, 2015 | 58.11 |
| Aug 31, 2015 | 57.67 |
| Jul 31, 2015 | 57.24 |
| Jun 30, 2015 | 56.89 |
| May 31, 2015 | 56.67 |
| Apr 30, 2015 | 56.53 |
| Mar 31, 2015 | 56.21 |
| Feb 28, 2015 | 55.92 |
| Jan 31, 2015 | 55.53 |
| Dec 31, 2014 | 54.64 |
| Nov 30, 2014 | 53.89 |
| Oct 31, 2014 | 53.17 |
| Sep 30, 2014 | 52.60 |
| Aug 31, 2014 | 52.13 |
| Jul 31, 2014 | 51.54 |
| Jun 30, 2014 | 51.01 |
| May 31, 2014 | 50.58 |
| Apr 30, 2014 | 50.23 |
| Mar 31, 2014 | 49.87 |
| Feb 28, 2014 | 49.62 |
| Jan 31, 2014 | 49.23 |
| Dec 31, 2013 | 48.84 |
| Nov 30, 2013 | 48.56 |
| Oct 31, 2013 | 48.19 |
| Sep 30, 2013 | 47.79 |
| Aug 31, 2013 | 47.32 |
| Jul 31, 2013 | 46.85 |
| Jun 30, 2013 | 46.34 |
| May 31, 2013 | 45.91 |
| Apr 30, 2013 | 45.45 |
| Mar 31, 2013 | 44.87 |
| Feb 28, 2013 | 44.58 |
| Jan 31, 2013 | 44.54 |
| Dec 31, 2012 | 44.26 |
| Nov 30, 2012 | 43.36 |
| Oct 31, 2012 | 42.38 |
| Sep 30, 2012 | 41.59 |
| Aug 31, 2012 | 41.18 |
| Jul 31, 2012 | 40.81 |
| Jun 30, 2012 | 40.14 |
| May 31, 2012 | 39.62 |
| Apr 30, 2012 | 39.12 |
| Mar 31, 2012 | 38.78 |
| Feb 29, 2012 | 38.64 |
| Jan 31, 2012 | 38.36 |
| Dec 31, 2011 | 38.09 |
| Nov 30, 2011 | 37.40 |
| Oct 31, 2011 | 36.77 |
| Sep 30, 2011 | 36.10 |
| Aug 31, 2011 | 35.75 |
| Jul 31, 2011 | 35.45 |
| Jun 30, 2011 | 35.07 |
| May 31, 2011 | 34.60 |
| Apr 30, 2011 | 34.32 |
| Mar 31, 2011 | 34.10 |
| Feb 28, 2011 | 34.09 |
| Jan 31, 2011 | 33.91 |
| Dec 31, 2010 | 33.73 |
| Nov 30, 2010 | 33.60 |
| Oct 31, 2010 | 33.43 |
| Sep 30, 2010 | 33.28 |
| Aug 31, 2010 | 33.15 |
| Jul 31, 2010 | 33.03 |
| Jun 30, 2010 | 32.88 |
| May 31, 2010 | 32.79 |
| Apr 30, 2010 | 32.75 |
| Mar 31, 2010 | 32.74 |
| Feb 28, 2010 | 33.12 |
| Jan 31, 2010 | 33.38 |
| Dec 31, 2009 | 33.75 |
| Nov 30, 2009 | 34.44 |
| Oct 31, 2009 | 35.21 |
| Sep 30, 2009 | 36.00 |
| Aug 31, 2009 | 36.87 |
| Jul 31, 2009 | 37.80 |
| Jun 30, 2009 | 38.59 |
| May 31, 2009 | 39.77 |
| Apr 30, 2009 | 40.73 |
| Mar 31, 2009 | 41.68 |
| Feb 28, 2009 | 42.36 |
| Jan 31, 2009 | 43.15 |
| Dec 31, 2008 | 43.92 |
| Nov 30, 2008 | 43.70 |
| Oct 31, 2008 | 43.10 |
| Sep 30, 2008 | 42.90 |
| Aug 31, 2008 | 42.77 |
| Jul 31, 2008 | 42.53 |
| Jun 30, 2008 | 42.68 |
| May 31, 2008 | 42.90 |
| Apr 30, 2008 | 43.06 |
| Mar 31, 2008 | 43.11 |
| Feb 29, 2008 | 43.19 |
| Jan 31, 2008 | 43.02 |
| Dec 31, 2007 | 42.94 |
| Nov 30, 2007 | 42.53 |
| Oct 31, 2007 | 42.39 |
| Sep 30, 2007 | 42.09 |
| Aug 31, 2007 | 41.78 |
| Jul 31, 2007 | 41.28 |
| Jun 30, 2007 | 40.85 |
| May 31, 2007 | 40.58 |
| Apr 30, 2007 | 40.47 |
| Mar 31, 2007 | 40.38 |
| Feb 28, 2007 | 40.42 |
| Jan 31, 2007 | 40.31 |
| Dec 31, 2006 | 40.11 |
| Nov 30, 2006 | 39.74 |
| Oct 31, 2006 | 39.26 |
| Sep 30, 2006 | 38.63 |
| Aug 31, 2006 | 38.09 |
| Jul 31, 2006 | 37.81 |
| Jun 30, 2006 | 37.57 |
| May 31, 2006 | 37.29 |
| Apr 30, 2006 | 37.13 |
| Mar 31, 2006 | 37.09 |
| Feb 28, 2006 | 36.99 |
| Jan 31, 2006 | 36.75 |
| Dec 31, 2005 | 36.72 |
| Nov 30, 2005 | 36.16 |
| Oct 31, 2005 | 35.46 |
| Sep 30, 2005 | 35.13 |
| Aug 31, 2005 | 35.26 |
| Jul 31, 2005 | 35.13 |
| Jun 30, 2005 | 34.99 |
| May 31, 2005 | 34.62 |
| Apr 30, 2005 | 34.19 |
| Mar 31, 2005 | 34.03 |
| Feb 28, 2005 | 33.85 |
| Jan 31, 2005 | 33.60 |
| Dec 31, 2004 | 33.23 |
| Nov 30, 2004 | 32.95 |
| Oct 31, 2004 | 32.81 |
| Sep 30, 2004 | 32.82 |
| Aug 31, 2004 | 32.57 |
| Jul 31, 2004 | 32.27 |
| Jun 30, 2004 | 31.89 |
| May 31, 2004 | 31.66 |
| Apr 30, 2004 | 31.52 |
| Mar 31, 2004 | 31.28 |
| Feb 29, 2004 | 31.11 |
| Jan 31, 2004 | 30.91 |
| Dec 31, 2003 | 30.68 |
| Nov 30, 2003 | 30.18 |
| Oct 31, 2003 | 29.63 |
| Sep 30, 2003 | 29.13 |
| Aug 31, 2003 | 28.98 |
| Jul 31, 2003 | 28.84 |
| Jun 30, 2003 | 28.62 |
| May 31, 2003 | 28.69 |
| Apr 30, 2003 | 28.68 |
| Mar 31, 2003 | 28.65 |
| Feb 28, 2003 | 28.73 |
| Jan 31, 2003 | 28.86 |
| Dec 31, 2002 | 28.90 |
| Nov 30, 2002 | 28.67 |
| Oct 31, 2002 | 28.51 |
| Sep 30, 2002 | 28.39 |
| Aug 31, 2002 | 28.58 |
| Jul 31, 2002 | 28.82 |
| Jun 30, 2002 | 29.00 |
| May 31, 2002 | 28.83 |
| Apr 30, 2002 | 28.64 |
| Mar 31, 2002 | 28.61 |
| Feb 28, 2002 | 28.78 |
| Jan 31, 2002 | 28.90 |
| Dec 31, 2001 | 28.97 |
| Nov 30, 2001 | 28.86 |
| Oct 31, 2001 | 28.80 |
| Sep 30, 2001 | 28.71 |
| Aug 31, 2001 | 28.80 |
| Jul 31, 2001 | 28.77 |
| Jun 30, 2001 | 28.66 |
| May 31, 2001 | 28.89 |
| Apr 30, 2001 | 29.19 |
| Mar 31, 2001 | 29.48 |
| Feb 28, 2001 | 29.74 |
| Jan 31, 2001 | 30.04 |
| Dec 31, 2000 | 30.41 |
| Nov 30, 2000 | 30.44 |
| Oct 31, 2000 | 30.51 |
| Sep 30, 2000 | 30.61 |
| Aug 31, 2000 | 30.99 |
| Jul 31, 2000 | 31.22 |
| Jun 30, 2000 | 31.51 |
| May 31, 2000 | 31.72 |
| Apr 30, 2000 | 31.79 |
| Mar 31, 2000 | 31.85 |
| Feb 29, 2000 | 32.06 |
| Jan 31, 2000 | 32.21 |
| Dec 31, 1999 | 32.26 |
| Nov 30, 1999 | 32.23 |
| Oct 31, 1999 | 32.21 |
| Sep 30, 1999 | 32.24 |
| Aug 31, 1999 | 32.27 |
| Jul 31, 1999 | 32.22 |
| Jun 30, 1999 | 32.19 |
| May 31, 1999 | 32.19 |
| Apr 30, 1999 | 32.19 |
| Mar 31, 1999 | 32.42 |
| Feb 28, 1999 | 32.36 |
| Jan 31, 1999 | 32.23 |
| Dec 31, 1998 | 32.14 |
| Nov 30, 1998 | 32.08 |
| Oct 31, 1998 | 32.05 |
| Sep 30, 1998 | 32.09 |
| Aug 31, 1998 | 32.01 |
| Jul 31, 1998 | 31.92 |
| Jun 30, 1998 | 31.83 |
| May 31, 1998 | 31.66 |
| Apr 30, 1998 | 31.51 |
| Mar 31, 1998 | 31.36 |
| Feb 28, 1998 | 31.33 |
| Jan 31, 1998 | 31.29 |
| Dec 31, 1997 | 31.25 |
| Nov 30, 1997 | 31.10 |
| Oct 31, 1997 | 30.97 |
| Sep 30, 1997 | 30.94 |
| Aug 31, 1997 | 30.90 |
| Jul 31, 1997 | 30.84 |
| Jun 30, 1997 | 30.76 |
| May 31, 1997 | 30.73 |
| Apr 30, 1997 | 30.64 |
| Mar 31, 1997 | 30.61 |
| Feb 28, 1997 | 30.58 |
| Jan 31, 1997 | 30.57 |
| Dec 31, 1996 | 30.55 |
| Nov 30, 1996 | 30.39 |
| Oct 31, 1996 | 30.29 |
| Sep 30, 1996 | 30.22 |
| Aug 31, 1996 | 30.05 |
| Jul 31, 1996 | 29.84 |
| Jun 30, 1996 | 29.63 |
| May 31, 1996 | 29.53 |
| Apr 30, 1996 | 29.47 |
| Mar 31, 1996 | 29.46 |
| Feb 29, 1996 | 29.39 |
| Jan 31, 1996 | 29.27 |
| Dec 31, 1995 | 29.22 |
| Nov 30, 1995 | 29.05 |
| Oct 31, 1995 | 28.88 |
| Sep 30, 1995 | 28.82 |
| Aug 31, 1995 | 28.73 |
| Jul 31, 1995 | 28.65 |
| Jun 30, 1995 | 28.50 |
| May 31, 1995 | 28.42 |
| Apr 30, 1995 | 28.34 |
| Mar 31, 1995 | 28.29 |
| Feb 28, 1995 | 28.39 |
| Jan 31, 1995 | 28.50 |
| Dec 31, 1994 | 28.61 |
| Nov 30, 1994 | 28.44 |
| Oct 31, 1994 | 28.29 |
| Sep 30, 1994 | 28.13 |
| Aug 31, 1994 | 28.15 |
| Jul 31, 1994 | 28.20 |
| Jun 30, 1994 | 28.21 |
| May 31, 1994 | 28.21 |
| Apr 30, 1994 | 28.13 |
| Mar 31, 1994 | 28.08 |
| Feb 28, 1994 | 28.08 |
| Jan 31, 1994 | 28.08 |
| Dec 31, 1993 | 28.06 |
| Nov 30, 1993 | 28.01 |
| Oct 31, 1993 | 27.99 |
| Sep 30, 1993 | 28.06 |
| Aug 31, 1993 | 28.12 |
| Jul 31, 1993 | 28.20 |
| Jun 30, 1993 | 28.21 |
| May 31, 1993 | 28.21 |
| Apr 30, 1993 | 28.22 |
| Mar 31, 1993 | 28.26 |
| Feb 28, 1993 | 28.29 |
| Jan 31, 1993 | 28.32 |
| Dec 31, 1992 | 28.39 |
| Nov 30, 1992 | 28.38 |
| Oct 31, 1992 | 28.42 |
| Sep 30, 1992 | 28.53 |
| Aug 31, 1992 | 28.55 |
| Jul 31, 1992 | 28.58 |
| Jun 30, 1992 | 28.58 |
| May 31, 1992 | 28.69 |
| Apr 30, 1992 | 28.73 |
| Mar 31, 1992 | 28.78 |
| Feb 29, 1992 | 28.83 |
| Jan 31, 1992 | 28.84 |
| Dec 31, 1991 | 28.78 |
| Nov 30, 1991 | 28.86 |
| Oct 31, 1991 | 29.00 |
| Sep 30, 1991 | 29.10 |
| Aug 31, 1991 | 29.13 |
| Jul 31, 1991 | 29.11 |
| Jun 30, 1991 | 29.05 |
| May 31, 1991 | 29.11 |
| Apr 30, 1991 | 29.16 |
| Mar 31, 1991 | 29.18 |
| Feb 28, 1991 | 29.20 |
| Jan 31, 1991 | 29.22 |
| Dec 31, 1990 | 29.38 |
| Nov 30, 1990 | 29.18 |
| Oct 31, 1990 | 29.04 |
| Sep 30, 1990 | 29.01 |
| Aug 31, 1990 | 29.11 |
| Jul 31, 1990 | 29.23 |
| Jun 30, 1990 | 29.20 |
| May 31, 1990 | 29.07 |
| Apr 30, 1990 | 28.85 |
| Mar 31, 1990 | 28.60 |
| Feb 28, 1990 | 28.54 |
| Jan 31, 1990 | 28.45 |
| Dec 31, 1989 | 28.51 |
| Nov 30, 1989 | 28.28 |
| Oct 31, 1989 | 28.07 |
| Sep 30, 1989 | 27.93 |
| Aug 31, 1989 | 27.70 |
| Jul 31, 1989 | 27.43 |
| Jun 30, 1989 | 27.17 |
| May 31, 1989 | 26.93 |
| Apr 30, 1989 | 26.77 |
| Mar 31, 1989 | 26.62 |
| Feb 28, 1989 | 26.54 |
| Jan 31, 1989 | 26.42 |
| Dec 31, 1988 | 26.32 |
| Nov 30, 1988 | 26.06 |
| Oct 31, 1988 | 25.84 |
| Sep 30, 1988 | 25.68 |
| Aug 31, 1988 | 25.65 |
| Jul 31, 1988 | 25.54 |
| Jun 30, 1988 | 25.44 |
| May 31, 1988 | 25.29 |
| Apr 30, 1988 | 25.12 |
| Mar 31, 1988 | 24.99 |
| Feb 29, 1988 | 24.96 |
| Jan 31, 1988 | 24.90 |
| Dec 31, 1987 | 24.83 |
| Nov 30, 1987 | 24.69 |
| Oct 31, 1987 | 24.57 |
| Sep 30, 1987 | 24.49 |
| Aug 31, 1987 | 24.49 |
| Jul 31, 1987 | 24.48 |
| Jun 30, 1987 | 24.42 |
| May 31, 1987 | 24.33 |
| Apr 30, 1987 | 24.24 |
| Mar 31, 1987 | 24.20 |
| Feb 28, 1987 | 24.25 |
| Jan 31, 1987 | 24.28 |
| Dec 31, 1986 | 24.37 |
| Nov 30, 1986 | 24.34 |
| Oct 31, 1986 | 24.32 |
| Sep 30, 1986 | 24.29 |
| Aug 31, 1986 | 24.27 |
| Jul 31, 1986 | 24.19 |
| Jun 30, 1986 | 24.06 |
| May 31, 1986 | 24.11 |
| Apr 30, 1986 | 24.10 |
| Mar 31, 1986 | 23.98 |
| Feb 28, 1986 | 23.75 |
| Jan 31, 1986 | 23.56 |
| Dec 31, 1985 | 23.51 |
| Nov 30, 1985 | 23.51 |
| Oct 31, 1985 | 23.52 |
| Sep 30, 1985 | 23.55 |
| Aug 31, 1985 | 23.51 |
| Jul 31, 1985 | 23.45 |
| Jun 30, 1985 | 23.40 |
| May 31, 1985 | 23.38 |
| Apr 30, 1985 | 23.39 |
| Mar 31, 1985 | 23.42 |
| Feb 28, 1985 | 23.37 |
| Jan 31, 1985 | 23.35 |
| Dec 31, 1984 | 23.26 |
| Nov 30, 1984 | 23.10 |
| Oct 31, 1984 | 22.95 |
| Sep 30, 1984 | 22.86 |
| Aug 31, 1984 | 22.90 |
| Jul 31, 1984 | 22.91 |
| Jun 30, 1984 | 22.93 |
| May 31, 1984 | 22.86 |
| Apr 30, 1984 | 22.79 |
| Mar 31, 1984 | 22.76 |
| Feb 29, 1984 | 22.71 |
| Jan 31, 1984 | 22.73 |
| Dec 31, 1983 | 22.76 |
| Nov 30, 1983 | 22.69 |
| Oct 31, 1983 | 22.64 |
| Sep 30, 1983 | 22.61 |
| Aug 31, 1983 | 22.66 |
| Jul 31, 1983 | 22.66 |
| Jun 30, 1983 | 22.69 |
| May 31, 1983 | 22.72 |
| Apr 30, 1983 | 22.83 |
| Mar 31, 1983 | 22.96 |
| Feb 28, 1983 | 22.91 |
| Jan 31, 1983 | 22.89 |
| Dec 31, 1982 | 22.89 |
| Nov 30, 1982 | 22.78 |
| Oct 31, 1982 | 22.71 |
| Sep 30, 1982 | 22.76 |
| Aug 31, 1982 | 22.76 |
| Jul 31, 1982 | 22.76 |
| Jun 30, 1982 | 22.83 |
| May 31, 1982 | 23.02 |
| Apr 30, 1982 | 23.13 |
| Mar 31, 1982 | 23.13 |
| Feb 28, 1982 | 23.00 |
| Jan 31, 1982 | 22.97 |
| Dec 31, 1981 | 22.94 |
| Nov 30, 1981 | 22.89 |
| Oct 31, 1981 | 22.83 |
| Sep 30, 1981 | 22.75 |
| Aug 31, 1981 | 22.82 |
| Jul 31, 1981 | 22.84 |
| Jun 30, 1981 | 22.94 |
| May 31, 1981 | 23.01 |
| Apr 30, 1981 | 23.06 |
| Mar 31, 1981 | 23.08 |
| Feb 28, 1981 | 23.09 |
| Jan 31, 1981 | 23.18 |
| Dec 31, 1980 | 23.22 |
| Nov 30, 1980 | 23.32 |
| Oct 31, 1980 | 23.40 |
| Sep 30, 1980 | 23.50 |
| Aug 31, 1980 | 23.53 |
| Jul 31, 1980 | 23.53 |
| Jun 30, 1980 | 23.36 |
| May 31, 1980 | 23.43 |
| Apr 30, 1980 | 23.48 |
| Mar 31, 1980 | 23.55 |
| Feb 29, 1980 | 23.70 |
| Jan 31, 1980 | 23.83 |
| Dec 31, 1979 | 23.96 |
| Nov 30, 1979 | 24.01 |
| Oct 31, 1979 | 24.03 |
| Sep 30, 1979 | 24.02 |
| Aug 31, 1979 | 24.03 |
| Jul 31, 1979 | 24.01 |
| Jun 30, 1979 | 24.02 |
| May 31, 1979 | 24.08 |
| Apr 30, 1979 | 24.17 |
| Mar 31, 1979 | 24.23 |
| Feb 28, 1979 | 24.27 |
| Jan 31, 1979 | 24.35 |
| Dec 31, 1978 | 24.36 |
| Nov 30, 1978 | 24.39 |
| Oct 31, 1978 | 24.41 |
| Sep 30, 1978 | 24.55 |
| Aug 31, 1978 | 24.56 |
| Jul 31, 1978 | 24.49 |
| Jun 30, 1978 | 24.49 |
| May 31, 1978 | 24.57 |
| Apr 30, 1978 | 24.62 |
| Mar 31, 1978 | 24.62 |
| Feb 28, 1978 | 24.60 |
| Jan 31, 1978 | 24.53 |
| Dec 31, 1977 | 24.46 |
| Nov 30, 1977 | 24.24 |
| Oct 31, 1977 | 24.06 |
| Sep 30, 1977 | 23.84 |
| Aug 31, 1977 | 23.67 |
| Jul 31, 1977 | 23.50 |
| Jun 30, 1977 | 23.36 |
| May 31, 1977 | 23.21 |
| Apr 30, 1977 | 23.02 |
| Mar 31, 1977 | 22.90 |
| Feb 28, 1977 | 22.80 |
| Jan 31, 1977 | 22.78 |
| Dec 31, 1976 | 22.63 |
| Nov 30, 1976 | 22.34 |
| Oct 31, 1976 | 22.00 |
| Sep 30, 1976 | 21.74 |
| Aug 31, 1976 | 21.65 |
| Jul 31, 1976 | 21.59 |
| Jun 30, 1976 | 21.53 |
| May 31, 1976 | 21.51 |
| Apr 30, 1976 | 21.53 |
| Mar 31, 1976 | 21.47 |
| Feb 29, 1976 | 21.49 |
| Jan 31, 1976 | 21.55 |
| Dec 31, 1975 | 21.57 |
| Nov 30, 1975 | 21.70 |
| Oct 31, 1975 | 21.92 |
| Sep 30, 1975 | 22.10 |
| Aug 31, 1975 | 22.22 |
| Jul 31, 1975 | 22.26 |
| Jun 30, 1975 | 22.51 |
| May 31, 1975 | 22.60 |
| Apr 30, 1975 | 22.65 |
| Mar 31, 1975 | 22.65 |
| Feb 28, 1975 | 22.59 |
| Jan 31, 1975 | 22.62 |
| Dec 31, 1974 | 22.56 |
| Nov 30, 1974 | 22.72 |
| Oct 31, 1974 | 22.87 |
| Sep 30, 1974 | 23.08 |
| Aug 31, 1974 | 23.16 |
| Jul 31, 1974 | 23.24 |
| Jun 30, 1974 | 23.23 |
| May 31, 1974 | 23.29 |
| Apr 30, 1974 | 23.45 |
| Mar 31, 1974 | 23.41 |
| Feb 28, 1974 | 23.57 |
| Jan 31, 1974 | 23.73 |
| Dec 31, 1973 | 23.80 |
| Nov 30, 1973 | 23.69 |
| Oct 31, 1973 | 23.59 |
| Sep 30, 1973 | 23.53 |
| Aug 31, 1973 | 23.46 |
| Jul 31, 1973 | 23.76 |
| Jun 30, 1973 | 23.69 |
| May 31, 1973 | 23.73 |
| Apr 30, 1973 | 23.77 |
| Mar 31, 1973 | 23.81 |
| Feb 28, 1973 | 23.98 |
| Jan 31, 1973 | 24.10 |
| Dec 31, 1972 | 24.11 |
| Nov 30, 1972 | 23.98 |
| Oct 31, 1972 | 23.86 |
| Sep 30, 1972 | 23.80 |
| Aug 31, 1972 | 23.83 |
| Jul 31, 1972 | 23.86 |
| Jun 30, 1972 | 23.95 |
| May 31, 1972 | 24.00 |
| Apr 30, 1972 | 24.06 |
| Mar 31, 1972 | 24.12 |
| Feb 29, 1972 | 24.18 |
| Jan 31, 1972 | 24.29 |
| Dec 31, 1971 | 24.29 |
| Nov 30, 1971 | 24.47 |
| Oct 31, 1971 | 24.52 |
| Sep 30, 1971 | 24.63 |
| Aug 31, 1971 | 24.66 |
| Jul 31, 1971 | 24.75 |
| Jun 30, 1971 | 24.83 |
| May 31, 1971 | 25.05 |
| Apr 30, 1971 | 25.20 |
| Mar 31, 1971 | 25.29 |
| Feb 28, 1971 | 25.43 |
| Jan 31, 1971 | 25.58 |
| Dec 31, 1970 | 25.66 |
| Nov 30, 1970 | 25.93 |
| Oct 31, 1970 | 26.20 |
| Sep 30, 1970 | 26.47 |
| Aug 31, 1970 | 26.58 |
| Jul 31, 1970 | 26.55 |
| Jun 30, 1970 | 26.66 |
| May 31, 1970 | 26.77 |
| Apr 30, 1970 | 26.81 |
| Mar 31, 1970 | 26.99 |
| Feb 28, 1970 | 27.10 |
| Jan 31, 1970 | 27.22 |
| Dec 31, 1969 | 27.26 |
| Nov 30, 1969 | 27.38 |
| Oct 31, 1969 | 27.50 |
| Sep 30, 1969 | 27.62 |
| Aug 31, 1969 | 27.63 |
| Jul 31, 1969 | 27.72 |
| Jun 30, 1969 | 27.82 |
| May 31, 1969 | 27.88 |
| Apr 30, 1969 | 27.87 |
| Mar 31, 1969 | 27.93 |
| Feb 28, 1969 | 28.07 |
| Jan 31, 1969 | 28.14 |
| Dec 31, 1968 | 28.13 |
| Nov 30, 1968 | 28.08 |
| Oct 31, 1968 | 28.04 |
| Sep 30, 1968 | 28.08 |
| Aug 31, 1968 | 28.03 |
| Jul 31, 1968 | 27.99 |
| Jun 30, 1968 | 28.03 |
| May 31, 1968 | 28.06 |
| Apr 30, 1968 | 28.02 |
| Mar 31, 1968 | 27.97 |
| Feb 29, 1968 | 27.96 |
| Jan 31, 1968 | 27.95 |
| Dec 31, 1967 | 28.02 |
| Nov 30, 1967 | 28.10 |
| Oct 31, 1967 | 28.18 |
| Sep 30, 1967 | 28.27 |
| Aug 31, 1967 | 28.29 |
| Jul 31, 1967 | 28.31 |
| Jun 30, 1967 | 28.33 |
| May 31, 1967 | 28.41 |
| Apr 30, 1967 | 28.50 |
| Mar 31, 1967 | 28.58 |
| Feb 28, 1967 | 28.57 |
| Jan 31, 1967 | 28.47 |
| Dec 31, 1966 | 28.37 |
| Nov 30, 1966 | 28.44 |
| Oct 31, 1966 | 28.50 |
| Sep 30, 1966 | 28.75 |
| Aug 31, 1966 | 28.55 |
| Jul 31, 1966 | 28.52 |
| Jun 30, 1966 | 28.41 |
| May 31, 1966 | 28.33 |
| Apr 30, 1966 | 28.16 |
| Mar 31, 1966 | 28.17 |
| Feb 28, 1966 | 28.05 |
| Jan 31, 1966 | 28.02 |
| Dec 31, 1965 | 27.82 |
| Nov 30, 1965 | 27.70 |
| Oct 31, 1965 | 27.50 |
| Sep 30, 1965 | 27.38 |
| Aug 31, 1965 | 27.21 |
| Jul 31, 1965 | 27.04 |
| Jun 30, 1965 | 26.86 |
| May 31, 1965 | 26.83 |
| Apr 30, 1965 | 26.62 |
| Mar 31, 1965 | 26.50 |
| Feb 28, 1965 | 26.41 |
| Jan 31, 1965 | 26.24 |
| Dec 31, 1964 | 26.06 |
| Nov 30, 1964 | 25.85 |
| Oct 31, 1964 | 25.73 |
| Sep 30, 1964 | 25.52 |
| Aug 31, 1964 | 25.39 |
| Jul 31, 1964 | 25.10 |
| Jun 30, 1964 | 24.97 |
| May 31, 1964 | 24.88 |
| Apr 30, 1964 | 24.70 |
| Mar 31, 1964 | 24.53 |
| Feb 29, 1964 | 24.35 |
| Jan 31, 1964 | 24.17 |
| Dec 31, 1963 | 24.00 |
| Nov 30, 1963 | 23.83 |
| Oct 31, 1963 | 23.58 |
| Sep 30, 1963 | 23.41 |
| Aug 31, 1963 | 23.38 |
| Jul 31, 1963 | 23.34 |
| Jun 30, 1963 | 23.38 |
| May 31, 1963 | 23.28 |
| Apr 30, 1963 | 23.11 |
| Mar 31, 1963 | 22.93 |
| Feb 28, 1963 | 22.93 |
| Jan 31, 1963 | 22.86 |
| Dec 31, 1962 | 22.79 |
| Nov 30, 1962 | 22.61 |
| Oct 31, 1962 | 22.43 |
| Sep 30, 1962 | 22.25 |
| Aug 31, 1962 | 22.26 |
| Jul 31, 1962 | 22.18 |
| Jun 30, 1962 | 22.19 |
| May 31, 1962 | 22.11 |
| Apr 30, 1962 | 22.04 |
| Mar 31, 1962 | 22.04 |
| Feb 28, 1962 | 21.97 |
| Jan 31, 1962 | 21.97 |
| Dec 31, 1961 | 21.90 |
| Nov 30, 1961 | 21.68 |
| Oct 31, 1961 | 21.47 |
| Sep 30, 1961 | 21.25 |
| Aug 31, 1961 | 21.25 |
| Jul 31, 1961 | 21.11 |
| Jun 30, 1961 | 21.17 |
| May 31, 1961 | 21.17 |
| Apr 30, 1961 | 21.17 |
| Mar 31, 1961 | 21.17 |
| Feb 28, 1961 | 21.21 |
| Jan 31, 1961 | 21.25 |
| Dec 31, 1960 | 21.28 |
| Nov 30, 1960 | 21.28 |
| Oct 31, 1960 | 21.28 |
| Sep 30, 1960 | 21.43 |
| Aug 31, 1960 | 21.43 |
| Jul 31, 1960 | 21.43 |
| Jun 30, 1960 | 21.43 |
| May 31, 1960 | 21.46 |
| Apr 30, 1960 | 21.43 |
| Mar 31, 1960 | 21.46 |
| Feb 29, 1960 | 21.06 |
| Jan 31, 1960 | 20.72 |
| Dec 31, 1959 | 20.25 |
| Nov 30, 1959 | 20.17 |
| Oct 31, 1959 | 20.10 |
| Sep 30, 1959 | 20.09 |
| Aug 31, 1959 | 20.09 |
| Jul 31, 1959 | 20.01 |
| Jun 30, 1959 | 20.01 |
| May 31, 1959 | 20.00 |
| Apr 30, 1959 | 19.93 |
| Mar 31, 1959 | 19.92 |
| Feb 28, 1959 | 19.85 |
| Jan 31, 1959 | 19.70 |
| Dec 31, 1958 | 19.70 |
| Nov 30, 1958 | 19.55 |
| Oct 31, 1958 | 19.55 |
| Sep 30, 1958 | 19.47 |
| Aug 31, 1958 | 19.47 |
| Jul 31, 1958 | 19.40 |
| Jun 30, 1958 | 19.47 |
| May 31, 1958 | 19.62 |
| Apr 30, 1958 | 19.77 |
| Mar 31, 1958 | 19.99 |
| Feb 28, 1958 | 20.21 |
| Jan 31, 1958 | 20.28 |
| Dec 31, 1957 | 20.50 |
| Nov 30, 1957 | 20.39 |
| Oct 31, 1957 | 20.34 |
| Sep 30, 1957 | 20.23 |
| Aug 31, 1957 | 20.11 |
| Jul 31, 1957 | 20.00 |
| Jun 30, 1957 | 20.02 |
| May 31, 1957 | 20.10 |
| Apr 30, 1957 | 20.17 |
| Mar 31, 1957 | 20.24 |
| Feb 28, 1957 | 20.35 |
| Jan 31, 1957 | 20.47 |
| Dec 31, 1956 | 20.51 |
| Nov 30, 1956 | 20.97 |
| Oct 31, 1956 | 21.37 |
| Sep 30, 1956 | 21.84 |
| Aug 31, 1956 | 21.76 |
| Jul 31, 1956 | 21.53 |
| Jun 30, 1956 | 21.52 |
| May 31, 1956 | 21.40 |
| Apr 30, 1956 | 21.20 |
| Mar 31, 1956 | 21.00 |
| Feb 29, 1956 | 20.63 |
| Jan 31, 1956 | 20.27 |
| Dec 31, 1955 | 19.90 |
| Nov 30, 1955 | 19.75 |
| Oct 31, 1955 | 19.67 |
| Sep 30, 1955 | 19.59 |
| Aug 31, 1955 | 19.46 |
| Jul 31, 1955 | 19.26 |
| Jun 30, 1955 | 19.13 |
| May 31, 1955 | 19.08 |
| Apr 30, 1955 | 19.04 |
| Mar 31, 1955 | 19.00 |
| Feb 28, 1955 | 18.92 |
| Jan 31, 1955 | 18.84 |
| Dec 31, 1954 | 18.76 |
| Nov 30, 1954 | 18.41 |
| Oct 31, 1954 | 18.12 |
| Sep 30, 1954 | 17.84 |
| Aug 31, 1954 | 17.69 |
| Jul 31, 1954 | 17.61 |
| Jun 30, 1954 | 17.53 |
| May 31, 1954 | 17.61 |
| Apr 30, 1954 | 17.76 |
| Mar 31, 1954 | 17.77 |
| Feb 28, 1954 | 17.69 |
| Jan 31, 1954 | 17.61 |
| Dec 31, 1953 | 17.53 |
| Nov 30, 1953 | 17.41 |
| Oct 31, 1953 | 17.23 |
| Sep 30, 1953 | 17.17 |
| Aug 31, 1953 | 17.17 |
| Jul 31, 1953 | 17.23 |
| Jun 30, 1953 | 17.23 |
| May 31, 1953 | 17.26 |
| Apr 30, 1953 | 17.28 |
| Mar 31, 1953 | 17.24 |
| Feb 28, 1953 | 17.31 |
| Jan 31, 1953 | 17.24 |
| Dec 31, 1952 | 17.18 |
| Nov 30, 1952 | 17.34 |
| Oct 31, 1952 | 17.50 |
| Sep 30, 1952 | 17.66 |
| Aug 31, 1952 | 17.66 |
| Jul 31, 1952 | 17.66 |
| Jun 30, 1952 | 17.80 |
| May 31, 1952 | 17.74 |
| Apr 30, 1952 | 17.62 |
| Mar 31, 1952 | 17.56 |
| Feb 29, 1952 | 17.52 |
| Jan 31, 1952 | 17.35 |
| Dec 31, 1951 | 17.31 |
| Nov 30, 1951 | 17.82 |
| Oct 31, 1951 | 18.41 |
| Sep 30, 1951 | 18.94 |
| Aug 31, 1951 | 19.26 |
| Jul 31, 1951 | 19.42 |
| Jun 30, 1951 | 19.59 |
| May 31, 1951 | 19.42 |
| Apr 30, 1951 | 19.33 |
| Mar 31, 1951 | 19.16 |
| Feb 28, 1951 | 19.03 |
| Jan 31, 1951 | 19.04 |
| Dec 31, 1950 | 19.12 |
| Nov 30, 1950 | 18.74 |
| Oct 31, 1950 | 18.20 |
| Sep 30, 1950 | 17.73 |
| Aug 31, 1950 | 17.22 |
| Jul 31, 1950 | 16.78 |
| Jun 30, 1950 | 16.40 |
| May 31, 1950 | 16.33 |
| Apr 30, 1950 | 16.26 |
| Mar 31, 1950 | 16.12 |
| Feb 28, 1950 | 16.05 |
| Jan 31, 1950 | 15.92 |
| Dec 31, 1949 | 15.71 |
| Nov 30, 1949 | 15.12 |
| Oct 31, 1949 | 14.73 |
| Sep 30, 1949 | 14.15 |
| Aug 31, 1949 | 14.12 |
| Jul 31, 1949 | 14.09 |
| Jun 30, 1949 | 13.88 |
| May 31, 1949 | 13.76 |
| Apr 30, 1949 | 13.52 |
| Mar 31, 1949 | 13.39 |
| Feb 28, 1949 | 13.16 |
| Jan 31, 1949 | 12.83 |
| Dec 31, 1948 | 12.55 |
| Nov 30, 1948 | 12.23 |
| Oct 31, 1948 | 11.86 |
| Sep 30, 1948 | 11.55 |
| Aug 31, 1948 | 11.46 |
| Jul 31, 1948 | 11.42 |
| Jun 30, 1948 | 11.47 |
| May 31, 1948 | 11.57 |
| Apr 30, 1948 | 11.62 |
| Mar 31, 1948 | 11.81 |
| Feb 29, 1948 | 11.72 |
| Jan 31, 1948 | 11.57 |
| Dec 31, 1947 | 11.68 |
| Nov 30, 1947 | 11.59 |
| Oct 31, 1947 | 11.41 |
| Sep 30, 1947 | 11.17 |
| Aug 31, 1947 | 11.28 |
| Jul 31, 1947 | 11.28 |
| Jun 30, 1947 | 11.24 |
| May 31, 1947 | 11.09 |
| Apr 30, 1947 | 10.89 |
| Mar 31, 1947 | 10.69 |
| Feb 28, 1947 | 10.84 |
| Jan 31, 1947 | 10.79 |
| Dec 31, 1946 | 10.74 |
| Nov 30, 1946 | 10.74 |
| Oct 31, 1946 | 10.89 |
| Sep 30, 1946 | 11.00 |
| Aug 31, 1946 | 11.06 |
| Jul 31, 1946 | 11.23 |
| Jun 30, 1946 | 11.83 |
| May 31, 1946 | 11.96 |
| Apr 30, 1946 | 12.02 |
| Mar 31, 1946 | 12.09 |
| Feb 28, 1946 | 12.10 |
| Jan 31, 1946 | 11.91 |
| Dec 31, 1945 | 11.79 |
| Nov 30, 1945 | 11.86 |
| Oct 31, 1945 | 11.86 |
| Sep 30, 1945 | 11.86 |
| Aug 31, 1945 | 11.80 |
| Jul 31, 1945 | 11.74 |
| Jun 30, 1945 | 11.68 |
| May 31, 1945 | 11.81 |
| Apr 30, 1945 | 11.88 |
| Mar 31, 1945 | 11.88 |
| Feb 28, 1945 | 11.82 |
| Jan 31, 1945 | 11.76 |
| Dec 31, 1944 | 11.69 |
| Nov 30, 1944 | 11.76 |
| Oct 31, 1944 | 11.76 |
| Sep 30, 1944 | 11.76 |
| Aug 31, 1944 | 11.70 |
| Jul 31, 1944 | 11.64 |
| Jun 30, 1944 | 11.64 |
| May 31, 1944 | 11.65 |
| Apr 30, 1944 | 11.59 |
| Mar 31, 1944 | 11.59 |
| Feb 29, 1944 | 11.53 |
| Jan 31, 1944 | 11.46 |
| Dec 31, 1943 | 11.40 |
| Nov 30, 1943 | 11.34 |
| Oct 31, 1943 | 11.28 |
| Sep 30, 1943 | 11.22 |
| Aug 31, 1943 | 11.22 |
| Jul 31, 1943 | 11.09 |
| Jun 30, 1943 | 10.97 |
| May 31, 1943 | 10.97 |
| Apr 30, 1943 | 11.03 |
| Mar 31, 1943 | 11.16 |
| Feb 28, 1943 | 11.35 |
| Jan 31, 1943 | 11.35 |
| Dec 31, 1942 | 11.35 |
| Nov 30, 1942 | 11.62 |
| Oct 31, 1942 | 11.88 |
| Sep 30, 1942 | 12.22 |
| Aug 31, 1942 | 12.48 |
| Jul 31, 1942 | 12.82 |
| Jun 30, 1942 | 13.17 |
| May 31, 1942 | 13.37 |
| Apr 30, 1942 | 13.74 |
| Mar 31, 1942 | 14.03 |
| Feb 28, 1942 | 14.34 |
| Jan 31, 1942 | 14.57 |
| Dec 31, 1941 | 14.90 |
| Nov 30, 1941 | 14.92 |
| Oct 31, 1941 | 14.95 |
| Sep 30, 1941 | 15.08 |
| Aug 31, 1941 | 15.21 |
| Jul 31, 1941 | 15.34 |
| Jun 30, 1941 | 15.27 |
| May 31, 1941 | 15.51 |
| Apr 30, 1941 | 15.54 |
| Mar 31, 1941 | 15.58 |
| Feb 28, 1941 | 15.61 |
| Jan 31, 1941 | 15.53 |
| Dec 31, 1940 | 15.46 |
| Nov 30, 1940 | 15.57 |
| Oct 31, 1940 | 15.57 |
| Sep 30, 1940 | 15.57 |
| Aug 31, 1940 | 15.41 |
| Jul 31, 1940 | 15.26 |
| Jun 30, 1940 | 14.99 |
| May 31, 1940 | 14.95 |
| Apr 30, 1940 | 14.79 |
| Mar 31, 1940 | 14.64 |
| Feb 29, 1940 | 14.56 |
| Jan 31, 1940 | 14.59 |
| Dec 31, 1939 | 14.40 |
| Nov 30, 1939 | 13.94 |
| Oct 31, 1939 | 13.47 |
| Sep 30, 1939 | 12.92 |
| Aug 31, 1939 | 12.96 |
| Jul 31, 1939 | 12.73 |
| Jun 30, 1939 | 12.49 |
| May 31, 1939 | 12.41 |
| Apr 30, 1939 | 12.33 |
| Mar 31, 1939 | 12.17 |
| Feb 28, 1939 | 12.09 |
| Jan 31, 1939 | 11.93 |
| Dec 31, 1938 | 11.85 |
| Nov 30, 1938 | 13.01 |
| Oct 31, 1938 | 14.17 |
| Sep 30, 1938 | 15.22 |
| Aug 31, 1938 | 15.84 |
| Jul 31, 1938 | 16.45 |
| Jun 30, 1938 | 17.07 |
| May 31, 1938 | 17.38 |
| Apr 30, 1938 | 17.56 |
| Mar 31, 1938 | 17.99 |
| Feb 28, 1938 | 18.15 |
| Jan 31, 1938 | 18.17 |
| Dec 31, 1937 | 18.07 |
| Nov 30, 1937 | 17.72 |
| Oct 31, 1937 | 17.38 |
| Sep 30, 1937 | 17.15 |
| Aug 31, 1937 | 17.80 |
| Jul 31, 1937 | 18.32 |
| Jun 30, 1937 | 18.97 |
| May 31, 1937 | 18.30 |
| Apr 30, 1937 | 17.74 |
| Mar 31, 1937 | 17.18 |
| Feb 28, 1937 | 17.07 |
| Jan 31, 1937 | 16.84 |
| Dec 31, 1936 | 16.73 |
| Nov 30, 1936 | 15.88 |
| Oct 31, 1936 | 15.02 |
| Sep 30, 1936 | 14.17 |
| Aug 31, 1936 | 13.71 |
| Jul 31, 1936 | 13.34 |
| Jun 30, 1936 | 12.96 |
| May 31, 1936 | 12.66 |
| Apr 30, 1936 | 12.27 |
| Mar 31, 1936 | 11.87 |
| Feb 29, 1936 | 11.55 |
| Jan 31, 1936 | 11.31 |
| Dec 31, 1935 | 11.08 |
| Nov 30, 1935 | 10.84 |
| Oct 31, 1935 | 10.68 |
| Sep 30, 1935 | 10.45 |
| Aug 31, 1935 | 10.45 |
| Jul 31, 1935 | 10.45 |
| Jun 30, 1935 | 10.45 |
| May 31, 1935 | 10.45 |
| Apr 30, 1935 | 10.53 |
| Mar 31, 1935 | 10.68 |
| Feb 28, 1935 | 10.68 |
| Jan 31, 1935 | 10.76 |
| Dec 31, 1934 | 10.92 |
| Nov 30, 1934 | 10.82 |
| Oct 31, 1934 | 10.80 |
| Sep 30, 1934 | 10.70 |
| Aug 31, 1934 | 10.84 |
| Jul 31, 1934 | 10.82 |
| Jun 30, 1934 | 10.80 |
| May 31, 1934 | 10.86 |
| Apr 30, 1934 | 10.84 |
| Mar 31, 1934 | 10.82 |
| Feb 28, 1934 | 10.80 |
| Jan 31, 1934 | 10.86 |
| Dec 31, 1933 | 10.84 |
| Nov 30, 1933 | 10.96 |
| Oct 31, 1933 | 11.09 |
| Sep 30, 1933 | 11.21 |
| Aug 31, 1933 | 11.33 |
| Jul 31, 1933 | 11.55 |
| Jun 30, 1933 | 12.04 |
| May 31, 1933 | 12.26 |
| Apr 30, 1933 | 12.39 |
| Mar 31, 1933 | 12.52 |
| Feb 28, 1933 | 12.55 |
| Jan 31, 1933 | 12.48 |
| Dec 31, 1932 | 12.41 |
| Nov 30, 1932 | 12.98 |
| Oct 31, 1932 | 13.53 |
| Sep 30, 1932 | 14.08 |
| Aug 31, 1932 | 14.62 |
| Jul 31, 1932 | 15.15 |
| Jun 30, 1932 | 15.78 |
| May 31, 1932 | 16.30 |
| Apr 30, 1932 | 16.69 |
| Mar 31, 1932 | 17.19 |
| Feb 29, 1932 | 17.69 |
| Jan 31, 1932 | 18.04 |
| Dec 31, 1931 | 18.27 |
| Nov 30, 1931 | 18.44 |
| Oct 31, 1931 | 18.48 |
| Sep 30, 1931 | 18.65 |
| Aug 31, 1931 | 18.81 |
| Jul 31, 1931 | 19.10 |
| Jun 30, 1931 | 19.39 |
| May 31, 1931 | 19.42 |
| Apr 30, 1931 | 19.45 |
| Mar 31, 1931 | 19.60 |
| Feb 28, 1931 | 19.75 |
| Jan 31, 1931 | 19.77 |
| Dec 31, 1930 | 19.80 |
| Nov 30, 1930 | 19.42 |
| Oct 31, 1930 | 19.28 |
| Sep 30, 1930 | 19.15 |
| Aug 31, 1930 | 19.25 |
| Jul 31, 1930 | 19.12 |
| Jun 30, 1930 | 18.88 |
| May 31, 1930 | 18.75 |
| Apr 30, 1930 | 18.62 |
| Mar 31, 1930 | 18.72 |
| Feb 28, 1930 | 18.59 |
| Jan 31, 1930 | 18.47 |
| Dec 31, 1929 | 18.34 |
| Nov 30, 1929 | 18.05 |
| Oct 31, 1929 | 17.86 |
| Sep 30, 1929 | 17.67 |
| Aug 31, 1929 | 17.48 |
| Jul 31, 1929 | 17.30 |
| Jun 30, 1929 | 17.31 |
| May 31, 1929 | 17.22 |
| Apr 30, 1929 | 17.13 |
| Mar 31, 1929 | 16.84 |
| Feb 28, 1929 | 16.55 |
| Jan 31, 1929 | 16.36 |
| Dec 31, 1928 | 16.17 |
| Nov 30, 1928 | 15.95 |
| Oct 31, 1928 | 15.82 |
| Sep 30, 1928 | 15.60 |
| Aug 31, 1928 | 15.66 |
| Jul 31, 1928 | 15.53 |
| Jun 30, 1928 | 15.41 |
| May 31, 1928 | 15.19 |
| Apr 30, 1928 | 15.15 |
| Mar 31, 1928 | 15.03 |
| Feb 29, 1928 | 14.90 |
| Jan 31, 1928 | 14.60 |
| Dec 31, 1927 | 14.48 |
| Nov 30, 1927 | 14.35 |
| Oct 31, 1927 | 14.14 |
| Sep 30, 1927 | 14.10 |
| Aug 31, 1927 | 14.06 |
| Jul 31, 1927 | 13.85 |
| Jun 30, 1927 | 13.49 |
| May 31, 1927 | 13.52 |
| Apr 30, 1927 | 13.47 |
| Mar 31, 1927 | 13.35 |
| Feb 28, 1927 | 13.15 |
| Jan 31, 1927 | 12.95 |
| Dec 31, 1926 | 12.68 |
| Nov 30, 1926 | 12.54 |
| Oct 31, 1926 | 12.47 |
| Sep 30, 1926 | 12.41 |
| Aug 31, 1926 | 12.34 |
| Jul 31, 1926 | 12.13 |
| Jun 30, 1926 | 11.85 |
| May 31, 1926 | 11.65 |
| Apr 30, 1926 | 11.45 |
| Mar 31, 1926 | 11.37 |
| Feb 28, 1926 | 11.17 |
| Jan 31, 1926 | 11.04 |
| Dec 31, 1925 | 10.90 |
| Nov 30, 1925 | 10.77 |
| Oct 31, 1925 | 10.87 |
| Sep 30, 1925 | 10.80 |
| Aug 31, 1925 | 10.72 |
| Jul 31, 1925 | 10.64 |
| Jun 30, 1925 | 10.69 |
| May 31, 1925 | 10.73 |
| Apr 30, 1925 | 10.72 |
| Mar 31, 1925 | 10.58 |
| Feb 28, 1925 | 10.56 |
| Jan 31, 1925 | 10.42 |
| Dec 31, 1924 | 10.34 |
| Nov 30, 1924 | 10.37 |
| Oct 31, 1924 | 10.34 |
| Sep 30, 1924 | 10.37 |
| Aug 31, 1924 | 10.39 |
| Jul 31, 1924 | 10.30 |
| Jun 30, 1924 | 10.33 |
| May 31, 1924 | 10.30 |
| Apr 30, 1924 | 10.27 |
| Mar 31, 1924 | 10.18 |
| Feb 29, 1924 | 10.08 |
| Jan 31, 1924 | 10.00 |
| Dec 31, 1923 | 9.96 |
| Nov 30, 1923 | 9.93 |
| Oct 31, 1923 | 9.90 |
| Sep 30, 1923 | 9.93 |
| Aug 31, 1923 | 9.95 |
| Jul 31, 1923 | 9.87 |
| Jun 30, 1923 | 9.95 |
| May 31, 1923 | 9.98 |
| Apr 30, 1923 | 9.94 |
| Mar 31, 1923 | 9.97 |
| Feb 28, 1923 | 9.94 |
| Jan 31, 1923 | 9.91 |
| Dec 31, 1922 | 9.82 |
| Nov 30, 1922 | 9.79 |
| Oct 31, 1922 | 9.77 |
| Sep 30, 1922 | 9.75 |
| Aug 31, 1922 | 9.67 |
| Jul 31, 1922 | 9.47 |
| Jun 30, 1922 | 9.45 |
| May 31, 1922 | 9.36 |
| Apr 30, 1922 | 9.28 |
| Mar 31, 1922 | 9.20 |
| Feb 28, 1922 | 9.01 |
| Jan 31, 1922 | 8.93 |
| Dec 31, 1921 | 8.65 |
| Nov 30, 1921 | 8.68 |
| Oct 31, 1921 | 8.70 |
| Sep 30, 1921 | 8.78 |
| Aug 31, 1921 | 8.76 |
| Jul 31, 1921 | 8.84 |
| Jun 30, 1921 | 8.96 |
| May 31, 1921 | 8.99 |
| Apr 30, 1921 | 8.86 |
| Mar 31, 1921 | 8.84 |
| Feb 28, 1921 | 8.87 |
| Jan 31, 1921 | 8.66 |
| Dec 31, 1920 | 8.55 |
| Nov 30, 1920 | 8.41 |
| Oct 31, 1920 | 8.39 |
| Sep 30, 1920 | 8.38 |
| Aug 31, 1920 | 8.28 |
| Jul 31, 1920 | 8.10 |
| Jun 30, 1920 | 8.09 |
| May 31, 1920 | 8.24 |
| Apr 30, 1920 | 8.38 |
| Mar 31, 1920 | 8.67 |
| Feb 29, 1920 | 8.79 |
| Jan 31, 1920 | 8.90 |
| Dec 31, 1919 | 9.12 |
| Nov 30, 1919 | 9.38 |
| Oct 31, 1919 | 9.64 |
| Sep 30, 1919 | 9.87 |
| Aug 31, 1919 | 9.98 |
| Jul 31, 1919 | 10.22 |
| Jun 30, 1919 | 10.59 |
| May 31, 1919 | 10.65 |
| Apr 30, 1919 | 10.84 |
| Mar 31, 1919 | 11.11 |
| Feb 28, 1919 | 11.31 |
| Jan 31, 1919 | 11.17 |
| Dec 31, 1918 | 11.24 |
| Nov 30, 1918 | 11.57 |
| Oct 31, 1918 | 11.99 |
| Sep 30, 1918 | 12.43 |
| Aug 31, 1918 | 12.88 |
| Jul 31, 1918 | 13.35 |
| Jun 30, 1918 | 13.94 |
| May 31, 1918 | 14.36 |
| Apr 30, 1918 | 14.89 |
| Mar 31, 1918 | 15.33 |
| Feb 28, 1918 | 15.46 |
| Jan 31, 1918 | 15.80 |
| Dec 31, 1917 | 16.38 |
| Nov 30, 1917 | 16.36 |
| Oct 31, 1917 | 16.10 |
| Sep 30, 1917 | 16.08 |
| Aug 31, 1917 | 16.18 |
| Jul 31, 1917 | 16.16 |
| Jun 30, 1917 | 15.64 |
| May 31, 1917 | 15.61 |
| Apr 30, 1917 | 15.57 |
| Mar 31, 1917 | 16.06 |
| Feb 28, 1917 | 15.77 |
| Jan 31, 1917 | 15.87 |
| Dec 31, 1916 | 15.70 |
| Nov 30, 1916 | 15.53 |
| Oct 31, 1916 | 15.49 |
| Sep 30, 1916 | 15.46 |
| Aug 31, 1916 | 15.42 |
| Jul 31, 1916 | 15.23 |
| Jun 30, 1916 | 14.91 |
| May 31, 1916 | 14.72 |
| Apr 30, 1916 | 14.52 |
| Mar 31, 1916 | 14.33 |
| Feb 29, 1916 | 14.13 |
| Jan 31, 1916 | 13.79 |
| Dec 31, 1915 | 13.58 |
| Nov 30, 1915 | 13.55 |
| Oct 31, 1915 | 13.66 |
| Sep 30, 1915 | 13.77 |
| Aug 31, 1915 | 13.74 |
| Jul 31, 1915 | 13.71 |
| Jun 30, 1915 | 13.69 |
| May 31, 1915 | 13.66 |
| Apr 30, 1915 | 13.77 |
| Mar 31, 1915 | 13.88 |
| Feb 28, 1915 | 13.72 |
| Jan 31, 1915 | 13.55 |
| Dec 31, 1914 | 13.53 |
| Nov 30, 1914 | 13.55 |
| Oct 31, 1914 | 13.85 |
| Sep 30, 1914 | 13.87 |
| Aug 31, 1914 | 14.03 |
| Jul 31, 1914 | 14.47 |
| Jun 30, 1914 | 14.78 |
| May 31, 1914 | 14.95 |
| Apr 30, 1914 | 15.27 |
| Mar 31, 1914 | 15.28 |
| Feb 28, 1914 | 15.44 |
| Jan 31, 1914 | 15.45 |
| Dec 31, 1913 | 15.61 |
| Nov 30, 1913 | 15.46 |
| Oct 31, 1913 | 15.61 |
| Sep 30, 1913 | 15.61 |
| Aug 31, 1913 | 15.77 |
| Jul 31, 1913 | 15.77 |
| Jun 30, 1913 | 15.93 |
| May 31, 1913 | 16.09 |
| Apr 30, 1913 | 15.93 |
| Mar 31, 1913 | 15.93 |
| Feb 28, 1913 | 15.93 |
| Jan 31, 1913 | 15.93 |
| Dec 31, 1912 | 16.09 |
| Nov 30, 1912 | 15.90 |
| Oct 31, 1912 | 15.87 |
| Sep 30, 1912 | 15.85 |
| Aug 31, 1912 | 15.98 |
| Jul 31, 1912 | 16.10 |
| Jun 30, 1912 | 16.08 |
| May 31, 1912 | 15.90 |
| Apr 30, 1912 | 15.87 |
| Mar 31, 1912 | 16.31 |
| Feb 29, 1912 | 16.62 |
| Jan 31, 1912 | 16.77 |
| Dec 31, 1911 | 16.91 |
| Nov 30, 1911 | 16.74 |
| Oct 31, 1911 | 16.56 |
| Sep 30, 1911 | 16.56 |
| Aug 31, 1911 | 16.74 |
| Jul 31, 1911 | 17.27 |
| Jun 30, 1911 | 17.47 |
| May 31, 1911 | 17.47 |
| Apr 30, 1911 | 17.47 |
| Mar 31, 1911 | 16.91 |
| Feb 28, 1911 | 17.10 |
| Jan 31, 1911 | 16.56 |
| Dec 31, 1910 | 16.56 |
| Nov 30, 1910 | 16.47 |
| Oct 31, 1910 | 16.06 |
| Sep 30, 1910 | 15.51 |
| Aug 31, 1910 | 15.27 |
| Jul 31, 1910 | 15.03 |
| Jun 30, 1910 | 14.95 |
| May 31, 1910 | 14.73 |
| Apr 30, 1910 | 14.38 |
| Mar 31, 1910 | 14.43 |
| Feb 28, 1910 | 14.62 |
| Jan 31, 1910 | 14.54 |
| Dec 31, 1909 | 14.33 |
| Nov 30, 1909 | 14.35 |
| Oct 31, 1909 | 14.38 |
| Sep 30, 1909 | 14.55 |
| Aug 31, 1909 | 14.59 |
| Jul 31, 1909 | 14.62 |
| Jun 30, 1909 | 14.50 |
| May 31, 1909 | 14.54 |
| Apr 30, 1909 | 14.56 |
| Mar 31, 1909 | 14.75 |
| Feb 28, 1909 | 14.63 |
| Jan 31, 1909 | 14.67 |
| Dec 31, 1908 | 14.39 |
| Nov 30, 1908 | 14.67 |
| Oct 31, 1908 | 14.95 |
| Sep 30, 1908 | 15.24 |
| Aug 31, 1908 | 15.36 |
| Jul 31, 1908 | 15.49 |
| Jun 30, 1908 | 15.77 |
| May 31, 1908 | 15.90 |
| Apr 30, 1908 | 16.03 |
| Mar 31, 1908 | 16.34 |
| Feb 29, 1908 | 16.46 |
| Jan 31, 1908 | 16.40 |
| Dec 31, 1907 | 16.36 |
| Nov 30, 1907 | 15.89 |
| Oct 31, 1907 | 15.12 |
| Sep 30, 1907 | 15.15 |
| Aug 31, 1907 | 15.04 |
| Jul 31, 1907 | 14.92 |
| Jun 30, 1907 | 14.80 |
| May 31, 1907 | 14.84 |
| Apr 30, 1907 | 15.04 |
| Mar 31, 1907 | 14.92 |
| Feb 28, 1907 | 14.63 |
| Jan 31, 1907 | 14.82 |
| Dec 31, 1906 | 14.55 |
| Nov 30, 1906 | 14.49 |
| Oct 31, 1906 | 14.43 |
| Sep 30, 1906 | 14.53 |
| Aug 31, 1906 | 14.47 |
| Jul 31, 1906 | 14.57 |
| Jun 30, 1906 | 13.87 |
| May 31, 1906 | 13.65 |
| Apr 30, 1906 | 13.57 |
| Mar 31, 1906 | 13.34 |
| Feb 28, 1906 | 13.12 |
| Jan 31, 1906 | 12.89 |
| Dec 31, 1905 | 12.67 |
| Nov 30, 1905 | 12.76 |
| Oct 31, 1905 | 12.83 |
| Sep 30, 1905 | 12.77 |
| Aug 31, 1905 | 12.56 |
| Jul 31, 1905 | 12.64 |
| Jun 30, 1905 | 12.57 |
| May 31, 1905 | 12.50 |
| Apr 30, 1905 | 12.31 |
| Mar 31, 1905 | 12.24 |
| Feb 28, 1905 | 12.03 |
| Jan 31, 1905 | 11.97 |
| Dec 31, 1904 | 11.90 |
| Nov 30, 1904 | 12.03 |
| Oct 31, 1904 | 12.44 |
| Sep 30, 1904 | 12.57 |
| Aug 31, 1904 | 12.86 |
| Jul 31, 1904 | 13.13 |
| Jun 30, 1904 | 13.27 |
| May 31, 1904 | 13.40 |
| Apr 30, 1904 | 13.23 |
| Mar 31, 1904 | 13.21 |
| Feb 29, 1904 | 13.18 |
| Jan 31, 1904 | 13.62 |
| Dec 31, 1903 | 14.07 |
| Nov 30, 1903 | 14.00 |
| Oct 31, 1903 | 13.79 |
| Sep 30, 1903 | 13.55 |
| Aug 31, 1903 | 13.65 |
| Jul 31, 1903 | 13.59 |
| Jun 30, 1903 | 13.52 |
| May 31, 1903 | 13.45 |
| Apr 30, 1903 | 13.08 |
| Mar 31, 1903 | 13.02 |
| Feb 28, 1903 | 12.52 |
| Jan 31, 1903 | 12.46 |
| Dec 31, 1902 | 12.54 |
| Nov 30, 1902 | 12.64 |
| Oct 31, 1902 | 12.20 |
| Sep 30, 1902 | 13.02 |
| Aug 31, 1902 | 13.13 |
| Jul 31, 1902 | 12.95 |
| Jun 30, 1902 | 12.92 |
| May 31, 1902 | 13.03 |
| Apr 30, 1902 | 13.16 |
| Mar 31, 1902 | 13.28 |
| Feb 28, 1902 | 13.24 |
| Jan 31, 1902 | 13.21 |
| Dec 31, 1901 | 13.03 |
| Nov 30, 1901 | 13.10 |
| Oct 31, 1901 | 13.21 |
| Sep 30, 1901 | 13.14 |
| Aug 31, 1901 | 13.22 |
| Jul 31, 1901 | 13.32 |
| Jun 30, 1901 | 13.41 |
| May 31, 1901 | 13.33 |
| Apr 30, 1901 | 13.27 |
| Mar 31, 1901 | 13.04 |
| Feb 28, 1901 | 12.96 |
| Jan 31, 1901 | 12.73 |
| Dec 31, 1900 | 12.82 |
| Nov 30, 1900 | 12.34 |
| Oct 31, 1900 | 12.02 |
| Sep 30, 1900 | 11.57 |
| Aug 31, 1900 | 11.39 |
| Jul 31, 1900 | 10.95 |
| Jun 30, 1900 | 10.76 |
| May 31, 1900 | 10.32 |
| Apr 30, 1900 | 9.77 |
| Mar 31, 1900 | 9.46 |
| Feb 28, 1900 | 9.16 |
| Jan 31, 1900 | 8.95 |
| Dec 31, 1899 | 8.65 |
| Nov 30, 1899 | 8.72 |
| Oct 31, 1899 | 8.79 |
| Sep 30, 1899 | 8.87 |
| Aug 31, 1899 | 9.17 |
| Jul 31, 1899 | 9.26 |
| Jun 30, 1899 | 9.34 |
| May 31, 1899 | 9.43 |
| Apr 30, 1899 | 9.39 |
| Mar 31, 1899 | 9.48 |
| Feb 28, 1899 | 9.44 |
| Jan 31, 1899 | 9.66 |
| Dec 31, 1898 | 9.62 |
| Nov 30, 1898 | 9.68 |
| Oct 31, 1898 | 9.61 |
| Sep 30, 1898 | 9.52 |
| Aug 31, 1898 | 9.44 |
| Jul 31, 1898 | 9.36 |
| Jun 30, 1898 | 9.14 |
| May 31, 1898 | 8.47 |
| Apr 30, 1898 | 8.98 |
| Mar 31, 1898 | 8.90 |
| Feb 28, 1898 | 8.82 |
| Jan 31, 1898 | 8.87 |
| Dec 31, 1897 | 8.79 |
| Nov 30, 1897 | 8.79 |
| Oct 31, 1897 | 8.79 |
| Sep 30, 1897 | 8.66 |
| Aug 31, 1897 | 8.91 |
| Jul 31, 1897 | 9.32 |
| Jun 30, 1897 | 9.32 |
| May 31, 1897 | 9.32 |
| Apr 30, 1897 | 9.19 |
| Mar 31, 1897 | 9.05 |
| Feb 28, 1897 | 9.05 |
| Jan 31, 1897 | 9.05 |
| Dec 31, 1896 | 8.79 |
| Nov 30, 1896 | 8.83 |
| Oct 31, 1896 | 9.13 |
| Sep 30, 1896 | 9.45 |
| Aug 31, 1896 | 9.49 |
| Jul 31, 1896 | 9.54 |
| Jun 30, 1896 | 9.58 |
| May 31, 1896 | 9.49 |
| Apr 30, 1896 | 9.39 |
| Mar 31, 1896 | 9.28 |
| Feb 29, 1896 | 9.32 |
| Jan 31, 1896 | 9.24 |
| Dec 31, 1895 | 9.14 |
| Nov 30, 1895 | 9.10 |
| Oct 31, 1895 | 9.18 |
| Sep 30, 1895 | 9.26 |
| Aug 31, 1895 | 9.34 |
| Jul 31, 1895 | 9.28 |
| Jun 30, 1895 | 9.24 |
| May 31, 1895 | 9.44 |
| Apr 30, 1895 | 9.65 |
| Mar 31, 1895 | 10.15 |
| Feb 28, 1895 | 10.23 |
| Jan 31, 1895 | 10.31 |
| Dec 31, 1894 | 10.40 |
| Nov 30, 1894 | 10.42 |
| Oct 31, 1894 | 10.58 |
| Sep 30, 1894 | 10.45 |
| Aug 31, 1894 | 10.74 |
| Jul 31, 1894 | 11.22 |
| Jun 30, 1894 | 11.39 |
| May 31, 1894 | 11.55 |
| Apr 30, 1894 | 11.72 |
| Mar 31, 1894 | 11.88 |
| Feb 28, 1894 | 11.71 |
| Jan 31, 1894 | 11.71 |
| Dec 31, 1893 | 11.55 |
| Nov 30, 1893 | 11.35 |
| Oct 31, 1893 | 11.02 |
| Sep 30, 1893 | 11.13 |
| Aug 31, 1893 | 11.55 |
| Jul 31, 1893 | 11.06 |
| Jun 30, 1893 | 10.74 |
| May 31, 1893 | 10.44 |
| Apr 30, 1893 | 10.26 |
| Mar 31, 1893 | 10.11 |
| Feb 28, 1893 | 9.84 |
| Jan 31, 1893 | 9.91 |
| Dec 31, 1892 | 10.26 |
| Nov 30, 1892 | 10.31 |
| Oct 31, 1892 | 10.50 |
| Sep 30, 1892 | 10.43 |
| Aug 31, 1892 | 10.35 |
| Jul 31, 1892 | 10.42 |
| Jun 30, 1892 | 10.63 |
| May 31, 1892 | 10.55 |
| Apr 30, 1892 | 10.47 |
| Mar 31, 1892 | 10.25 |
| Feb 29, 1892 | 9.91 |
| Jan 31, 1892 | 9.84 |
| Dec 31, 1891 | 9.52 |
| Nov 30, 1891 | 9.52 |
| Oct 31, 1891 | 9.40 |
| Sep 30, 1891 | 9.40 |
| Aug 31, 1891 | 9.28 |
| Jul 31, 1891 | 9.28 |
| Jun 30, 1891 | 9.17 |
| May 31, 1891 | 8.96 |
| Apr 30, 1891 | 8.84 |
| Mar 31, 1891 | 8.96 |
| Feb 28, 1891 | 9.06 |
| Jan 31, 1891 | 9.17 |
| Dec 31, 1890 | 9.06 |
| Nov 30, 1890 | 9.06 |
| Oct 31, 1890 | 8.84 |
| Sep 30, 1890 | 8.84 |
| Aug 31, 1890 | 8.96 |
| Jul 31, 1890 | 9.28 |
| Jun 30, 1890 | 9.28 |
| May 31, 1890 | 9.28 |
| Apr 30, 1890 | 9.40 |
| Mar 31, 1890 | 9.40 |
| Feb 28, 1890 | 9.40 |
| Jan 31, 1890 | 9.40 |
| Dec 31, 1889 | 9.17 |
| Nov 30, 1889 | 9.31 |
| Oct 31, 1889 | 9.35 |
| Sep 30, 1889 | 9.39 |
| Aug 31, 1889 | 9.54 |
| Jul 31, 1889 | 9.58 |
| Jun 30, 1889 | 9.62 |
| May 31, 1889 | 9.65 |
| Apr 30, 1889 | 9.45 |
| Mar 31, 1889 | 9.49 |
| Feb 28, 1889 | 9.40 |
| Jan 31, 1889 | 9.33 |
| Dec 31, 1888 | 9.03 |
| Nov 30, 1888 | 9.10 |
| Oct 31, 1888 | 9.28 |
| Sep 30, 1888 | 9.45 |
| Aug 31, 1888 | 9.52 |
| Jul 31, 1888 | 9.58 |
| Jun 30, 1888 | 9.77 |
| May 31, 1888 | 9.72 |
| Apr 30, 1888 | 9.67 |
| Mar 31, 1888 | 9.62 |
| Feb 29, 1888 | 9.69 |
| Jan 31, 1888 | 9.65 |
| Dec 31, 1887 | 9.82 |
| Nov 30, 1887 | 9.95 |
| Oct 31, 1887 | 9.97 |
| Sep 30, 1887 | 9.98 |
| Aug 31, 1887 | 9.77 |
| Jul 31, 1887 | 9.78 |
| Jun 30, 1887 | 9.57 |
| May 31, 1887 | 9.35 |
| Apr 30, 1887 | 9.25 |
| Mar 31, 1887 | 9.15 |
| Feb 28, 1887 | 9.05 |
| Jan 31, 1887 | 9.06 |
| Dec 31, 1886 | 9.17 |
| Nov 30, 1886 | 9.35 |
| Oct 31, 1886 | 9.42 |
| Sep 30, 1886 | 9.49 |
| Aug 31, 1886 | 9.56 |
| Jul 31, 1886 | 9.76 |
| Jun 30, 1886 | 9.95 |
| May 31, 1886 | 9.90 |
| Apr 30, 1886 | 9.73 |
| Mar 31, 1886 | 9.68 |
| Feb 28, 1886 | 9.64 |
| Jan 31, 1886 | 9.70 |
| Dec 31, 1885 | 9.54 |
| Nov 30, 1885 | 10.01 |
| Oct 31, 1885 | 10.36 |
| Sep 30, 1885 | 10.60 |
| Aug 31, 1885 | 10.72 |
| Jul 31, 1885 | 10.96 |
| Jun 30, 1885 | 11.32 |
| May 31, 1885 | 11.29 |
| Apr 30, 1885 | 11.26 |
| Mar 31, 1885 | 11.63 |
| Feb 28, 1885 | 11.59 |
| Jan 31, 1885 | 11.95 |
| Dec 31, 1884 | 12.18 |
| Nov 30, 1884 | 12.11 |
| Oct 31, 1884 | 11.90 |
| Sep 30, 1884 | 11.83 |
| Aug 31, 1884 | 11.77 |
| Jul 31, 1884 | 11.83 |
| Jun 30, 1884 | 11.76 |
| May 31, 1884 | 11.82 |
| Apr 30, 1884 | 11.63 |
| Mar 31, 1884 | 11.45 |
| Feb 29, 1884 | 11.51 |
| Jan 31, 1884 | 11.57 |
| Dec 31, 1883 | 11.63 |
| Nov 30, 1883 | 11.73 |
| Oct 31, 1883 | 11.57 |
| Sep 30, 1883 | 11.54 |
| Aug 31, 1883 | 11.40 |
| Jul 31, 1883 | 11.37 |
| Jun 30, 1883 | 11.12 |
| May 31, 1883 | 10.76 |
| Apr 30, 1883 | 10.62 |
| Mar 31, 1883 | 10.50 |
| Feb 28, 1883 | 10.37 |
| Jan 31, 1883 | 10.44 |
| Dec 31, 1882 | 10.42 |
| Nov 30, 1882 | 10.32 |
| Oct 31, 1882 | 10.22 |
| Sep 30, 1882 | 10.12 |
| Aug 31, 1882 | 9.86 |
| Jul 31, 1882 | 9.94 |
| Jun 30, 1882 | 9.86 |
| May 31, 1882 | 9.94 |
| Apr 30, 1882 | 10.04 |
| Mar 31, 1882 | 10.12 |
| Feb 28, 1882 | 10.12 |
| Jan 31, 1882 | 10.22 |
| Dec 31, 1881 | 10.22 |
| Nov 30, 1881 | 10.06 |
| Oct 31, 1881 | 9.81 |
| Sep 30, 1881 | 9.74 |
| Aug 31, 1881 | 9.96 |
| Jul 31, 1881 | 9.98 |
| Jun 30, 1881 | 9.92 |
| May 31, 1881 | 9.75 |
| Apr 30, 1881 | 9.48 |
| Mar 31, 1881 | 9.41 |
| Feb 28, 1881 | 9.23 |
| Jan 31, 1881 | 9.15 |
| Dec 31, 1880 | 8.89 |
| Nov 30, 1880 | 8.80 |
| Oct 31, 1880 | 8.72 |
| Sep 30, 1880 | 8.55 |
| Aug 31, 1880 | 8.46 |
| Jul 31, 1880 | 8.28 |
| Jun 30, 1880 | 8.10 |
| May 31, 1880 | 7.77 |
| Apr 30, 1880 | 7.38 |
| Mar 31, 1880 | 6.93 |
| Feb 29, 1880 | 6.84 |
| Jan 31, 1880 | 6.67 |
| Dec 31, 1879 | 6.71 |
| Nov 30, 1879 | 6.85 |
| Oct 31, 1879 | 7.16 |
| Sep 30, 1879 | 7.49 |
| Aug 31, 1879 | 7.69 |
| Jul 31, 1879 | 7.62 |
| Jun 30, 1879 | 7.64 |
| May 31, 1879 | 7.49 |
| Apr 30, 1879 | 7.42 |
| Mar 31, 1879 | 7.27 |
| Feb 28, 1879 | 7.12 |
| Jan 31, 1879 | 7.14 |
| Dec 31, 1878 | 7.16 |
| Nov 30, 1878 | 7.03 |
| Oct 31, 1878 | 6.98 |
| Sep 30, 1878 | 6.93 |
| Aug 31, 1878 | 6.96 |
| Jul 31, 1878 | 7.07 |
| Jun 30, 1878 | 7.19 |
| May 31, 1878 | 7.06 |
| Apr 30, 1878 | 6.86 |
| Mar 31, 1878 | 6.82 |
| Feb 28, 1878 | 6.71 |
| Jan 31, 1878 | 6.67 |
| Dec 31, 1877 | 6.50 |
| Nov 30, 1877 | 6.81 |
| Oct 31, 1877 | 6.98 |
| Sep 30, 1877 | 7.29 |
| Aug 31, 1877 | 7.52 |
| Jul 31, 1877 | 7.53 |
| Jun 30, 1877 | 7.90 |
| May 31, 1877 | 7.76 |
| Apr 30, 1877 | 8.18 |
| Mar 31, 1877 | 8.71 |
| Feb 28, 1877 | 8.60 |
| Jan 31, 1877 | 8.65 |
| Dec 31, 1876 | 9.08 |
| Nov 30, 1876 | 9.24 |
| Oct 31, 1876 | 9.32 |
| Sep 30, 1876 | 9.49 |
| Aug 31, 1876 | 9.59 |
| Jul 31, 1876 | 9.67 |
| Jun 30, 1876 | 9.67 |
| May 31, 1876 | 9.41 |
| Apr 30, 1876 | 9.08 |
| Mar 31, 1876 | 8.99 |
| Feb 29, 1876 | 8.99 |
| Jan 31, 1876 | 8.99 |
| Dec 31, 1875 | 8.92 |
| Nov 30, 1875 | 8.91 |
| Oct 31, 1875 | 8.91 |
| Sep 30, 1875 | 8.99 |
| Aug 31, 1875 | 8.98 |
| Jul 31, 1875 | 9.13 |
| Jun 30, 1875 | 9.21 |
| May 31, 1875 | 9.12 |
| Apr 30, 1875 | 8.96 |
| Mar 31, 1875 | 9.11 |
| Feb 28, 1875 | 9.18 |
| Jan 31, 1875 | 9.25 |
| Dec 31, 1874 | 9.33 |
| Nov 30, 1874 | 9.33 |
| Oct 31, 1874 | 9.24 |
| Sep 30, 1874 | 9.10 |
| Aug 31, 1874 | 9.10 |
| Jul 31, 1874 | 9.03 |
| Jun 30, 1874 | 9.10 |
| May 31, 1874 | 8.89 |
| Apr 30, 1874 | 8.81 |
| Mar 31, 1874 | 8.68 |
| Feb 28, 1874 | 8.68 |
| Jan 31, 1874 | 8.68 |
| Dec 31, 1873 | 8.81 |
| Nov 30, 1873 | 8.96 |
| Oct 31, 1873 | 8.62 |
| Sep 30, 1873 | 8.35 |
| Aug 31, 1873 | 8.29 |
| Jul 31, 1873 | 8.22 |
| Jun 30, 1873 | 8.16 |
| May 31, 1873 | 7.85 |
| Apr 30, 1873 | 7.62 |
| Mar 31, 1873 | 7.56 |
| Feb 28, 1873 | 7.50 |
| Jan 31, 1873 | 7.60 |
| Dec 31, 1872 | 7.54 |
| Nov 30, 1872 | 7.35 |
| Oct 31, 1872 | 7.48 |
| Sep 30, 1872 | 7.24 |
| Aug 31, 1872 | 7.21 |
| Jul 31, 1872 | 7.18 |
| Jun 30, 1872 | 6.99 |
| May 31, 1872 | 6.85 |
| Apr 30, 1872 | 6.77 |
| Mar 31, 1872 | 6.84 |
| Feb 29, 1872 | 6.86 |
| Jan 31, 1872 | 6.77 |
| Dec 31, 1871 | 6.69 |
| Nov 30, 1871 | 6.84 |
| Oct 31, 1871 | 6.84 |
| Sep 30, 1871 | 6.94 |
| Aug 31, 1871 | 7.11 |
| Jul 31, 1871 | 7.00 |
| Jun 30, 1871 | 7.00 |
| May 31, 1871 | 6.89 |
| Apr 30, 1871 | 6.73 |
| Mar 31, 1871 | 6.49 |
| Feb 28, 1871 | 6.59 |
| Jan 31, 1871 | 6.79 |
12-month real dividend per share — inflation adjusted January, 2026 dollars.
Data courtesy Standard & Poor’s and Robert Shiller.