| Date | Value |
|---|---|
| Dec 31, 2025 | 78.92 |
| Nov 30, 2025 | 78.77 |
| Oct 31, 2025 | 78.54 |
| Sep 30, 2025 | 78.31 |
| Aug 31, 2025 | 78.14 |
| Jul 31, 2025 | 77.98 |
| Jun 30, 2025 | 77.72 |
| May 31, 2025 | 77.58 |
| Apr 30, 2025 | 77.34 |
| Mar 31, 2025 | 77.17 |
| Feb 28, 2025 | 76.90 |
| Jan 31, 2025 | 76.80 |
| Dec 31, 2024 | 76.85 |
| Nov 30, 2024 | 76.39 |
| Oct 31, 2024 | 75.86 |
| Sep 30, 2024 | 75.45 |
| Aug 31, 2024 | 75.09 |
| Jul 31, 2024 | 74.66 |
| Jun 30, 2024 | 74.25 |
| May 31, 2024 | 73.88 |
| Apr 30, 2024 | 73.61 |
| Mar 31, 2024 | 73.50 |
| Feb 29, 2024 | 73.79 |
| Jan 31, 2024 | 74.07 |
| Dec 31, 2023 | 74.29 |
| Nov 30, 2023 | 73.86 |
| Oct 31, 2023 | 73.37 |
| Sep 30, 2023 | 72.99 |
| Aug 31, 2023 | 72.96 |
| Jul 31, 2023 | 73.07 |
| Jun 30, 2023 | 73.00 |
| May 31, 2023 | 73.05 |
| Apr 30, 2023 | 73.06 |
| Mar 31, 2023 | 73.25 |
| Feb 28, 2023 | 73.03 |
| Jan 31, 2023 | 72.97 |
| Dec 31, 2022 | 73.08 |
| Nov 30, 2022 | 72.28 |
| Oct 31, 2022 | 71.62 |
| Sep 30, 2022 | 71.33 |
| Aug 31, 2022 | 71.01 |
| Jul 31, 2022 | 70.51 |
| Jun 30, 2022 | 70.03 |
| May 31, 2022 | 70.23 |
| Apr 30, 2022 | 70.24 |
| Mar 31, 2022 | 69.86 |
| Feb 28, 2022 | 70.20 |
| Jan 31, 2022 | 70.23 |
| Dec 31, 2021 | 70.21 |
| Nov 30, 2021 | 69.99 |
| Oct 31, 2021 | 69.88 |
| Sep 30, 2021 | 70.01 |
| Aug 31, 2021 | 69.66 |
| Jul 31, 2021 | 69.25 |
| Jun 30, 2021 | 69.03 |
| May 31, 2021 | 69.58 |
| Apr 30, 2021 | 70.04 |
| Mar 31, 2021 | 70.52 |
| Feb 28, 2021 | 71.29 |
| Jan 31, 2021 | 71.95 |
| Dec 31, 2020 | 72.52 |
| Nov 30, 2020 | 72.83 |
| Oct 31, 2020 | 73.02 |
| Sep 30, 2020 | 73.29 |
| Aug 31, 2020 | 73.73 |
| Jul 31, 2020 | 74.31 |
| Jun 30, 2020 | 75.04 |
| May 31, 2020 | 75.41 |
| Apr 30, 2020 | 75.36 |
| Mar 31, 2020 | 74.82 |
| Feb 29, 2020 | 74.09 |
| Jan 31, 2020 | 73.74 |
| Dec 31, 2019 | 73.46 |
| Nov 30, 2019 | 72.96 |
| Oct 31, 2019 | 72.50 |
| Sep 30, 2019 | 72.23 |
| Aug 31, 2019 | 71.81 |
| Jul 31, 2019 | 71.32 |
| Jun 30, 2019 | 70.96 |
| May 31, 2019 | 70.49 |
| Apr 30, 2019 | 70.16 |
| Mar 31, 2019 | 70.05 |
| Feb 28, 2019 | 69.93 |
| Jan 31, 2019 | 69.72 |
| Dec 31, 2018 | 69.34 |
| Nov 30, 2018 | 68.52 |
| Oct 31, 2018 | 67.68 |
| Sep 30, 2018 | 67.20 |
| Aug 31, 2018 | 66.70 |
| Jul 31, 2018 | 66.16 |
| Jun 30, 2018 | 65.59 |
| May 31, 2018 | 65.27 |
| Apr 30, 2018 | 65.11 |
| Mar 31, 2018 | 64.94 |
| Feb 28, 2018 | 64.63 |
| Jan 31, 2018 | 64.45 |
| Dec 31, 2017 | 64.33 |
| Nov 30, 2017 | 63.96 |
| Oct 31, 2017 | 63.63 |
| Sep 30, 2017 | 63.26 |
| Aug 31, 2017 | 63.18 |
| Jul 31, 2017 | 62.94 |
| Jun 30, 2017 | 62.48 |
| May 31, 2017 | 62.17 |
| Apr 30, 2017 | 61.85 |
| Mar 31, 2017 | 61.66 |
| Feb 28, 2017 | 61.41 |
| Jan 31, 2017 | 61.30 |
| Dec 31, 2016 | 61.35 |
| Nov 30, 2016 | 61.07 |
| Oct 31, 2016 | 60.67 |
| Sep 30, 2016 | 60.45 |
| Aug 31, 2016 | 60.34 |
| Jul 31, 2016 | 60.14 |
| Jun 30, 2016 | 59.79 |
| May 31, 2016 | 59.72 |
| Apr 30, 2016 | 59.70 |
| Mar 31, 2016 | 59.72 |
| Feb 29, 2016 | 59.75 |
| Jan 31, 2016 | 59.58 |
| Dec 31, 2015 | 59.46 |
| Nov 30, 2015 | 58.85 |
| Oct 31, 2015 | 58.33 |
| Sep 30, 2015 | 57.91 |
| Aug 31, 2015 | 57.47 |
| Jul 31, 2015 | 57.04 |
| Jun 30, 2015 | 56.69 |
| May 31, 2015 | 56.47 |
| Apr 30, 2015 | 56.33 |
| Mar 31, 2015 | 56.02 |
| Feb 28, 2015 | 55.72 |
| Jan 31, 2015 | 55.33 |
| Dec 31, 2014 | 54.45 |
| Nov 30, 2014 | 53.70 |
| Oct 31, 2014 | 52.98 |
| Sep 30, 2014 | 52.42 |
| Aug 31, 2014 | 51.95 |
| Jul 31, 2014 | 51.36 |
| Jun 30, 2014 | 50.83 |
| May 31, 2014 | 50.40 |
| Apr 30, 2014 | 50.06 |
| Mar 31, 2014 | 49.69 |
| Feb 28, 2014 | 49.44 |
| Jan 31, 2014 | 49.06 |
| Dec 31, 2013 | 48.67 |
| Nov 30, 2013 | 48.39 |
| Oct 31, 2013 | 48.02 |
| Sep 30, 2013 | 47.62 |
| Aug 31, 2013 | 47.15 |
| Jul 31, 2013 | 46.68 |
| Jun 30, 2013 | 46.18 |
| May 31, 2013 | 45.75 |
| Apr 30, 2013 | 45.30 |
| Mar 31, 2013 | 44.71 |
| Feb 28, 2013 | 44.43 |
| Jan 31, 2013 | 44.39 |
| Dec 31, 2012 | 44.11 |
| Nov 30, 2012 | 43.21 |
| Oct 31, 2012 | 42.24 |
| Sep 30, 2012 | 41.45 |
| Aug 31, 2012 | 41.03 |
| Jul 31, 2012 | 40.66 |
| Jun 30, 2012 | 40.00 |
| May 31, 2012 | 39.49 |
| Apr 30, 2012 | 38.99 |
| Mar 31, 2012 | 38.65 |
| Feb 29, 2012 | 38.50 |
| Jan 31, 2012 | 38.23 |
| Dec 31, 2011 | 37.95 |
| Nov 30, 2011 | 37.27 |
| Oct 31, 2011 | 36.64 |
| Sep 30, 2011 | 35.97 |
| Aug 31, 2011 | 35.63 |
| Jul 31, 2011 | 35.32 |
| Jun 30, 2011 | 34.95 |
| May 31, 2011 | 34.48 |
| Apr 30, 2011 | 34.20 |
| Mar 31, 2011 | 33.98 |
| Feb 28, 2011 | 33.97 |
| Jan 31, 2011 | 33.80 |
| Dec 31, 2010 | 33.61 |
| Nov 30, 2010 | 33.48 |
| Oct 31, 2010 | 33.31 |
| Sep 30, 2010 | 33.17 |
| Aug 31, 2010 | 33.03 |
| Jul 31, 2010 | 32.92 |
| Jun 30, 2010 | 32.77 |
| May 31, 2010 | 32.67 |
| Apr 30, 2010 | 32.63 |
| Mar 31, 2010 | 32.62 |
| Feb 28, 2010 | 33.01 |
| Jan 31, 2010 | 33.26 |
| Dec 31, 2009 | 33.63 |
| Nov 30, 2009 | 34.32 |
| Oct 31, 2009 | 35.09 |
| Sep 30, 2009 | 35.87 |
| Aug 31, 2009 | 36.74 |
| Jul 31, 2009 | 37.67 |
| Jun 30, 2009 | 38.46 |
| May 31, 2009 | 39.63 |
| Apr 30, 2009 | 40.59 |
| Mar 31, 2009 | 41.53 |
| Feb 28, 2009 | 42.21 |
| Jan 31, 2009 | 43.00 |
| Dec 31, 2008 | 43.77 |
| Nov 30, 2008 | 43.55 |
| Oct 31, 2008 | 42.95 |
| Sep 30, 2008 | 42.75 |
| Aug 31, 2008 | 42.62 |
| Jul 31, 2008 | 42.38 |
| Jun 30, 2008 | 42.53 |
| May 31, 2008 | 42.75 |
| Apr 30, 2008 | 42.91 |
| Mar 31, 2008 | 42.96 |
| Feb 29, 2008 | 43.04 |
| Jan 31, 2008 | 42.88 |
| Dec 31, 2007 | 42.80 |
| Nov 30, 2007 | 42.38 |
| Oct 31, 2007 | 42.24 |
| Sep 30, 2007 | 41.94 |
| Aug 31, 2007 | 41.64 |
| Jul 31, 2007 | 41.14 |
| Jun 30, 2007 | 40.71 |
| May 31, 2007 | 40.44 |
| Apr 30, 2007 | 40.33 |
| Mar 31, 2007 | 40.24 |
| Feb 28, 2007 | 40.28 |
| Jan 31, 2007 | 40.17 |
| Dec 31, 2006 | 39.97 |
| Nov 30, 2006 | 39.60 |
| Oct 31, 2006 | 39.12 |
| Sep 30, 2006 | 38.49 |
| Aug 31, 2006 | 37.95 |
| Jul 31, 2006 | 37.68 |
| Jun 30, 2006 | 37.44 |
| May 31, 2006 | 37.16 |
| Apr 30, 2006 | 37.00 |
| Mar 31, 2006 | 36.96 |
| Feb 28, 2006 | 36.86 |
| Jan 31, 2006 | 36.62 |
| Dec 31, 2005 | 36.59 |
| Nov 30, 2005 | 36.03 |
| Oct 31, 2005 | 35.34 |
| Sep 30, 2005 | 35.01 |
| Aug 31, 2005 | 35.13 |
| Jul 31, 2005 | 35.01 |
| Jun 30, 2005 | 34.87 |
| May 31, 2005 | 34.50 |
| Apr 30, 2005 | 34.08 |
| Mar 31, 2005 | 33.91 |
| Feb 28, 2005 | 33.74 |
| Jan 31, 2005 | 33.49 |
| Dec 31, 2004 | 33.11 |
| Nov 30, 2004 | 32.83 |
| Oct 31, 2004 | 32.69 |
| Sep 30, 2004 | 32.71 |
| Aug 31, 2004 | 32.46 |
| Jul 31, 2004 | 32.15 |
| Jun 30, 2004 | 31.78 |
| May 31, 2004 | 31.55 |
| Apr 30, 2004 | 31.41 |
| Mar 31, 2004 | 31.17 |
| Feb 29, 2004 | 31.00 |
| Jan 31, 2004 | 30.80 |
| Dec 31, 2003 | 30.57 |
| Nov 30, 2003 | 30.07 |
| Oct 31, 2003 | 29.53 |
| Sep 30, 2003 | 29.03 |
| Aug 31, 2003 | 28.88 |
| Jul 31, 2003 | 28.74 |
| Jun 30, 2003 | 28.52 |
| May 31, 2003 | 28.59 |
| Apr 30, 2003 | 28.58 |
| Mar 31, 2003 | 28.55 |
| Feb 28, 2003 | 28.63 |
| Jan 31, 2003 | 28.76 |
| Dec 31, 2002 | 28.80 |
| Nov 30, 2002 | 28.57 |
| Oct 31, 2002 | 28.41 |
| Sep 30, 2002 | 28.29 |
| Aug 31, 2002 | 28.48 |
| Jul 31, 2002 | 28.72 |
| Jun 30, 2002 | 28.90 |
| May 31, 2002 | 28.73 |
| Apr 30, 2002 | 28.54 |
| Mar 31, 2002 | 28.51 |
| Feb 28, 2002 | 28.68 |
| Jan 31, 2002 | 28.80 |
| Dec 31, 2001 | 28.87 |
| Nov 30, 2001 | 28.76 |
| Oct 31, 2001 | 28.70 |
| Sep 30, 2001 | 28.61 |
| Aug 31, 2001 | 28.70 |
| Jul 31, 2001 | 28.67 |
| Jun 30, 2001 | 28.56 |
| May 31, 2001 | 28.79 |
| Apr 30, 2001 | 29.09 |
| Mar 31, 2001 | 29.38 |
| Feb 28, 2001 | 29.63 |
| Jan 31, 2001 | 29.93 |
| Dec 31, 2000 | 30.31 |
| Nov 30, 2000 | 30.34 |
| Oct 31, 2000 | 30.40 |
| Sep 30, 2000 | 30.50 |
| Aug 31, 2000 | 30.89 |
| Jul 31, 2000 | 31.11 |
| Jun 30, 2000 | 31.40 |
| May 31, 2000 | 31.61 |
| Apr 30, 2000 | 31.68 |
| Mar 31, 2000 | 31.73 |
| Feb 29, 2000 | 31.95 |
| Jan 31, 2000 | 32.10 |
| Dec 31, 1999 | 32.15 |
| Nov 30, 1999 | 32.11 |
| Oct 31, 1999 | 32.10 |
| Sep 30, 1999 | 32.12 |
| Aug 31, 1999 | 32.15 |
| Jul 31, 1999 | 32.11 |
| Jun 30, 1999 | 32.08 |
| May 31, 1999 | 32.08 |
| Apr 30, 1999 | 32.08 |
| Mar 31, 1999 | 32.31 |
| Feb 28, 1999 | 32.24 |
| Jan 31, 1999 | 32.12 |
| Dec 31, 1998 | 32.03 |
| Nov 30, 1998 | 31.97 |
| Oct 31, 1998 | 31.94 |
| Sep 30, 1998 | 31.98 |
| Aug 31, 1998 | 31.89 |
| Jul 31, 1998 | 31.81 |
| Jun 30, 1998 | 31.72 |
| May 31, 1998 | 31.55 |
| Apr 30, 1998 | 31.40 |
| Mar 31, 1998 | 31.26 |
| Feb 28, 1998 | 31.22 |
| Jan 31, 1998 | 31.18 |
| Dec 31, 1997 | 31.14 |
| Nov 30, 1997 | 30.99 |
| Oct 31, 1997 | 30.86 |
| Sep 30, 1997 | 30.83 |
| Aug 31, 1997 | 30.79 |
| Jul 31, 1997 | 30.73 |
| Jun 30, 1997 | 30.66 |
| May 31, 1997 | 30.62 |
| Apr 30, 1997 | 30.54 |
| Mar 31, 1997 | 30.51 |
| Feb 28, 1997 | 30.47 |
| Jan 31, 1997 | 30.46 |
| Dec 31, 1996 | 30.45 |
| Nov 30, 1996 | 30.29 |
| Oct 31, 1996 | 30.19 |
| Sep 30, 1996 | 30.12 |
| Aug 31, 1996 | 29.95 |
| Jul 31, 1996 | 29.74 |
| Jun 30, 1996 | 29.52 |
| May 31, 1996 | 29.42 |
| Apr 30, 1996 | 29.36 |
| Mar 31, 1996 | 29.36 |
| Feb 29, 1996 | 29.29 |
| Jan 31, 1996 | 29.17 |
| Dec 31, 1995 | 29.11 |
| Nov 30, 1995 | 28.95 |
| Oct 31, 1995 | 28.78 |
| Sep 30, 1995 | 28.72 |
| Aug 31, 1995 | 28.63 |
| Jul 31, 1995 | 28.55 |
| Jun 30, 1995 | 28.40 |
| May 31, 1995 | 28.32 |
| Apr 30, 1995 | 28.24 |
| Mar 31, 1995 | 28.19 |
| Feb 28, 1995 | 28.29 |
| Jan 31, 1995 | 28.40 |
| Dec 31, 1994 | 28.51 |
| Nov 30, 1994 | 28.34 |
| Oct 31, 1994 | 28.20 |
| Sep 30, 1994 | 28.04 |
| Aug 31, 1994 | 28.05 |
| Jul 31, 1994 | 28.10 |
| Jun 30, 1994 | 28.11 |
| May 31, 1994 | 28.11 |
| Apr 30, 1994 | 28.04 |
| Mar 31, 1994 | 27.98 |
| Feb 28, 1994 | 27.98 |
| Jan 31, 1994 | 27.98 |
| Dec 31, 1993 | 27.96 |
| Nov 30, 1993 | 27.92 |
| Oct 31, 1993 | 27.89 |
| Sep 30, 1993 | 27.96 |
| Aug 31, 1993 | 28.03 |
| Jul 31, 1993 | 28.11 |
| Jun 30, 1993 | 28.11 |
| May 31, 1993 | 28.12 |
| Apr 30, 1993 | 28.12 |
| Mar 31, 1993 | 28.17 |
| Feb 28, 1993 | 28.19 |
| Jan 31, 1993 | 28.22 |
| Dec 31, 1992 | 28.29 |
| Nov 30, 1992 | 28.28 |
| Oct 31, 1992 | 28.32 |
| Sep 30, 1992 | 28.43 |
| Aug 31, 1992 | 28.46 |
| Jul 31, 1992 | 28.48 |
| Jun 30, 1992 | 28.48 |
| May 31, 1992 | 28.59 |
| Apr 30, 1992 | 28.63 |
| Mar 31, 1992 | 28.68 |
| Feb 29, 1992 | 28.73 |
| Jan 31, 1992 | 28.74 |
| Dec 31, 1991 | 28.68 |
| Nov 30, 1991 | 28.76 |
| Oct 31, 1991 | 28.90 |
| Sep 30, 1991 | 29.00 |
| Aug 31, 1991 | 29.02 |
| Jul 31, 1991 | 29.01 |
| Jun 30, 1991 | 28.95 |
| May 31, 1991 | 29.01 |
| Apr 30, 1991 | 29.06 |
| Mar 31, 1991 | 29.07 |
| Feb 28, 1991 | 29.10 |
| Jan 31, 1991 | 29.12 |
| Dec 31, 1990 | 29.28 |
| Nov 30, 1990 | 29.07 |
| Oct 31, 1990 | 28.94 |
| Sep 30, 1990 | 28.90 |
| Aug 31, 1990 | 29.01 |
| Jul 31, 1990 | 29.13 |
| Jun 30, 1990 | 29.10 |
| May 31, 1990 | 28.97 |
| Apr 30, 1990 | 28.75 |
| Mar 31, 1990 | 28.50 |
| Feb 28, 1990 | 28.44 |
| Jan 31, 1990 | 28.35 |
| Dec 31, 1989 | 28.42 |
| Nov 30, 1989 | 28.18 |
| Oct 31, 1989 | 27.98 |
| Sep 30, 1989 | 27.83 |
| Aug 31, 1989 | 27.60 |
| Jul 31, 1989 | 27.33 |
| Jun 30, 1989 | 27.08 |
| May 31, 1989 | 26.83 |
| Apr 30, 1989 | 26.67 |
| Mar 31, 1989 | 26.53 |
| Feb 28, 1989 | 26.45 |
| Jan 31, 1989 | 26.33 |
| Dec 31, 1988 | 26.23 |
| Nov 30, 1988 | 25.97 |
| Oct 31, 1988 | 25.75 |
| Sep 30, 1988 | 25.59 |
| Aug 31, 1988 | 25.56 |
| Jul 31, 1988 | 25.46 |
| Jun 30, 1988 | 25.35 |
| May 31, 1988 | 25.20 |
| Apr 30, 1988 | 25.03 |
| Mar 31, 1988 | 24.90 |
| Feb 29, 1988 | 24.88 |
| Jan 31, 1988 | 24.81 |
| Dec 31, 1987 | 24.74 |
| Nov 30, 1987 | 24.60 |
| Oct 31, 1987 | 24.48 |
| Sep 30, 1987 | 24.41 |
| Aug 31, 1987 | 24.40 |
| Jul 31, 1987 | 24.40 |
| Jun 30, 1987 | 24.33 |
| May 31, 1987 | 24.24 |
| Apr 30, 1987 | 24.16 |
| Mar 31, 1987 | 24.11 |
| Feb 28, 1987 | 24.16 |
| Jan 31, 1987 | 24.19 |
| Dec 31, 1986 | 24.29 |
| Nov 30, 1986 | 24.26 |
| Oct 31, 1986 | 24.23 |
| Sep 30, 1986 | 24.21 |
| Aug 31, 1986 | 24.19 |
| Jul 31, 1986 | 24.10 |
| Jun 30, 1986 | 23.98 |
| May 31, 1986 | 24.03 |
| Apr 30, 1986 | 24.02 |
| Mar 31, 1986 | 23.89 |
| Feb 28, 1986 | 23.66 |
| Jan 31, 1986 | 23.48 |
| Dec 31, 1985 | 23.43 |
| Nov 30, 1985 | 23.43 |
| Oct 31, 1985 | 23.44 |
| Sep 30, 1985 | 23.46 |
| Aug 31, 1985 | 23.43 |
| Jul 31, 1985 | 23.37 |
| Jun 30, 1985 | 23.32 |
| May 31, 1985 | 23.30 |
| Apr 30, 1985 | 23.31 |
| Mar 31, 1985 | 23.33 |
| Feb 28, 1985 | 23.29 |
| Jan 31, 1985 | 23.27 |
| Dec 31, 1984 | 23.18 |
| Nov 30, 1984 | 23.02 |
| Oct 31, 1984 | 22.87 |
| Sep 30, 1984 | 22.78 |
| Aug 31, 1984 | 22.82 |
| Jul 31, 1984 | 22.83 |
| Jun 30, 1984 | 22.85 |
| May 31, 1984 | 22.78 |
| Apr 30, 1984 | 22.71 |
| Mar 31, 1984 | 22.68 |
| Feb 29, 1984 | 22.63 |
| Jan 31, 1984 | 22.65 |
| Dec 31, 1983 | 22.69 |
| Nov 30, 1983 | 22.61 |
| Oct 31, 1983 | 22.56 |
| Sep 30, 1983 | 22.53 |
| Aug 31, 1983 | 22.58 |
| Jul 31, 1983 | 22.58 |
| Jun 30, 1983 | 22.61 |
| May 31, 1983 | 22.64 |
| Apr 30, 1983 | 22.75 |
| Mar 31, 1983 | 22.88 |
| Feb 28, 1983 | 22.83 |
| Jan 31, 1983 | 22.81 |
| Dec 31, 1982 | 22.81 |
| Nov 30, 1982 | 22.70 |
| Oct 31, 1982 | 22.63 |
| Sep 30, 1982 | 22.68 |
| Aug 31, 1982 | 22.68 |
| Jul 31, 1982 | 22.68 |
| Jun 30, 1982 | 22.76 |
| May 31, 1982 | 22.94 |
| Apr 30, 1982 | 23.05 |
| Mar 31, 1982 | 23.05 |
| Feb 28, 1982 | 22.92 |
| Jan 31, 1982 | 22.89 |
| Dec 31, 1981 | 22.86 |
| Nov 30, 1981 | 22.81 |
| Oct 31, 1981 | 22.75 |
| Sep 30, 1981 | 22.67 |
| Aug 31, 1981 | 22.74 |
| Jul 31, 1981 | 22.76 |
| Jun 30, 1981 | 22.86 |
| May 31, 1981 | 22.93 |
| Apr 30, 1981 | 22.98 |
| Mar 31, 1981 | 23.00 |
| Feb 28, 1981 | 23.01 |
| Jan 31, 1981 | 23.10 |
| Dec 31, 1980 | 23.14 |
| Nov 30, 1980 | 23.24 |
| Oct 31, 1980 | 23.32 |
| Sep 30, 1980 | 23.42 |
| Aug 31, 1980 | 23.45 |
| Jul 31, 1980 | 23.45 |
| Jun 30, 1980 | 23.28 |
| May 31, 1980 | 23.35 |
| Apr 30, 1980 | 23.40 |
| Mar 31, 1980 | 23.47 |
| Feb 29, 1980 | 23.62 |
| Jan 31, 1980 | 23.75 |
| Dec 31, 1979 | 23.88 |
| Nov 30, 1979 | 23.93 |
| Oct 31, 1979 | 23.95 |
| Sep 30, 1979 | 23.94 |
| Aug 31, 1979 | 23.95 |
| Jul 31, 1979 | 23.93 |
| Jun 30, 1979 | 23.94 |
| May 31, 1979 | 24.00 |
| Apr 30, 1979 | 24.09 |
| Mar 31, 1979 | 24.15 |
| Feb 28, 1979 | 24.19 |
| Jan 31, 1979 | 24.27 |
| Dec 31, 1978 | 24.27 |
| Nov 30, 1978 | 24.30 |
| Oct 31, 1978 | 24.33 |
| Sep 30, 1978 | 24.47 |
| Aug 31, 1978 | 24.47 |
| Jul 31, 1978 | 24.40 |
| Jun 30, 1978 | 24.41 |
| May 31, 1978 | 24.49 |
| Apr 30, 1978 | 24.53 |
| Mar 31, 1978 | 24.54 |
| Feb 28, 1978 | 24.51 |
| Jan 31, 1978 | 24.44 |
| Dec 31, 1977 | 24.37 |
| Nov 30, 1977 | 24.16 |
| Oct 31, 1977 | 23.98 |
| Sep 30, 1977 | 23.75 |
| Aug 31, 1977 | 23.59 |
| Jul 31, 1977 | 23.41 |
| Jun 30, 1977 | 23.28 |
| May 31, 1977 | 23.13 |
| Apr 30, 1977 | 22.94 |
| Mar 31, 1977 | 22.82 |
| Feb 28, 1977 | 22.72 |
| Jan 31, 1977 | 22.70 |
| Dec 31, 1976 | 22.55 |
| Nov 30, 1976 | 22.26 |
| Oct 31, 1976 | 21.93 |
| Sep 30, 1976 | 21.66 |
| Aug 31, 1976 | 21.57 |
| Jul 31, 1976 | 21.51 |
| Jun 30, 1976 | 21.46 |
| May 31, 1976 | 21.44 |
| Apr 30, 1976 | 21.45 |
| Mar 31, 1976 | 21.40 |
| Feb 29, 1976 | 21.41 |
| Jan 31, 1976 | 21.47 |
| Dec 31, 1975 | 21.49 |
| Nov 30, 1975 | 21.63 |
| Oct 31, 1975 | 21.84 |
| Sep 30, 1975 | 22.02 |
| Aug 31, 1975 | 22.15 |
| Jul 31, 1975 | 22.19 |
| Jun 30, 1975 | 22.43 |
| May 31, 1975 | 22.52 |
| Apr 30, 1975 | 22.57 |
| Mar 31, 1975 | 22.57 |
| Feb 28, 1975 | 22.51 |
| Jan 31, 1975 | 22.54 |
| Dec 31, 1974 | 22.48 |
| Nov 30, 1974 | 22.64 |
| Oct 31, 1974 | 22.79 |
| Sep 30, 1974 | 23.00 |
| Aug 31, 1974 | 23.08 |
| Jul 31, 1974 | 23.16 |
| Jun 30, 1974 | 23.15 |
| May 31, 1974 | 23.21 |
| Apr 30, 1974 | 23.36 |
| Mar 31, 1974 | 23.33 |
| Feb 28, 1974 | 23.49 |
| Jan 31, 1974 | 23.65 |
| Dec 31, 1973 | 23.71 |
| Nov 30, 1973 | 23.61 |
| Oct 31, 1973 | 23.50 |
| Sep 30, 1973 | 23.45 |
| Aug 31, 1973 | 23.38 |
| Jul 31, 1973 | 23.68 |
| Jun 30, 1973 | 23.61 |
| May 31, 1973 | 23.65 |
| Apr 30, 1973 | 23.69 |
| Mar 31, 1973 | 23.73 |
| Feb 28, 1973 | 23.90 |
| Jan 31, 1973 | 24.02 |
| Dec 31, 1972 | 24.02 |
| Nov 30, 1972 | 23.90 |
| Oct 31, 1972 | 23.78 |
| Sep 30, 1972 | 23.71 |
| Aug 31, 1972 | 23.74 |
| Jul 31, 1972 | 23.77 |
| Jun 30, 1972 | 23.86 |
| May 31, 1972 | 23.92 |
| Apr 30, 1972 | 23.98 |
| Mar 31, 1972 | 24.04 |
| Feb 29, 1972 | 24.09 |
| Jan 31, 1972 | 24.21 |
| Dec 31, 1971 | 24.21 |
| Nov 30, 1971 | 24.38 |
| Oct 31, 1971 | 24.43 |
| Sep 30, 1971 | 24.55 |
| Aug 31, 1971 | 24.57 |
| Jul 31, 1971 | 24.66 |
| Jun 30, 1971 | 24.75 |
| May 31, 1971 | 24.96 |
| Apr 30, 1971 | 25.11 |
| Mar 31, 1971 | 25.20 |
| Feb 28, 1971 | 25.34 |
| Jan 31, 1971 | 25.49 |
| Dec 31, 1970 | 25.57 |
| Nov 30, 1970 | 25.84 |
| Oct 31, 1970 | 26.11 |
| Sep 30, 1970 | 26.38 |
| Aug 31, 1970 | 26.48 |
| Jul 31, 1970 | 26.46 |
| Jun 30, 1970 | 26.56 |
| May 31, 1970 | 26.67 |
| Apr 30, 1970 | 26.72 |
| Mar 31, 1970 | 26.90 |
| Feb 28, 1970 | 27.01 |
| Jan 31, 1970 | 27.12 |
| Dec 31, 1969 | 27.17 |
| Nov 30, 1969 | 27.28 |
| Oct 31, 1969 | 27.40 |
| Sep 30, 1969 | 27.52 |
| Aug 31, 1969 | 27.54 |
| Jul 31, 1969 | 27.63 |
| Jun 30, 1969 | 27.72 |
| May 31, 1969 | 27.78 |
| Apr 30, 1969 | 27.77 |
| Mar 31, 1969 | 27.83 |
| Feb 28, 1969 | 27.98 |
| Jan 31, 1969 | 28.04 |
| Dec 31, 1968 | 28.03 |
| Nov 30, 1968 | 27.99 |
| Oct 31, 1968 | 27.94 |
| Sep 30, 1968 | 27.98 |
| Aug 31, 1968 | 27.94 |
| Jul 31, 1968 | 27.89 |
| Jun 30, 1968 | 27.93 |
| May 31, 1968 | 27.97 |
| Apr 30, 1968 | 27.92 |
| Mar 31, 1968 | 27.88 |
| Feb 29, 1968 | 27.86 |
| Jan 31, 1968 | 27.85 |
| Dec 31, 1967 | 27.92 |
| Nov 30, 1967 | 28.00 |
| Oct 31, 1967 | 28.08 |
| Sep 30, 1967 | 28.17 |
| Aug 31, 1967 | 28.19 |
| Jul 31, 1967 | 28.21 |
| Jun 30, 1967 | 28.23 |
| May 31, 1967 | 28.31 |
| Apr 30, 1967 | 28.40 |
| Mar 31, 1967 | 28.48 |
| Feb 28, 1967 | 28.47 |
| Jan 31, 1967 | 28.37 |
| Dec 31, 1966 | 28.27 |
| Nov 30, 1966 | 28.34 |
| Oct 31, 1966 | 28.41 |
| Sep 30, 1966 | 28.65 |
| Aug 31, 1966 | 28.45 |
| Jul 31, 1966 | 28.42 |
| Jun 30, 1966 | 28.31 |
| May 31, 1966 | 28.23 |
| Apr 30, 1966 | 28.06 |
| Mar 31, 1966 | 28.07 |
| Feb 28, 1966 | 27.96 |
| Jan 31, 1966 | 27.93 |
| Dec 31, 1965 | 27.72 |
| Nov 30, 1965 | 27.61 |
| Oct 31, 1965 | 27.40 |
| Sep 30, 1965 | 27.28 |
| Aug 31, 1965 | 27.11 |
| Jul 31, 1965 | 26.94 |
| Jun 30, 1965 | 26.77 |
| May 31, 1965 | 26.73 |
| Apr 30, 1965 | 26.53 |
| Mar 31, 1965 | 26.41 |
| Feb 28, 1965 | 26.32 |
| Jan 31, 1965 | 26.14 |
| Dec 31, 1964 | 25.97 |
| Nov 30, 1964 | 25.76 |
| Oct 31, 1964 | 25.64 |
| Sep 30, 1964 | 25.43 |
| Aug 31, 1964 | 25.30 |
| Jul 31, 1964 | 25.01 |
| Jun 30, 1964 | 24.88 |
| May 31, 1964 | 24.79 |
| Apr 30, 1964 | 24.62 |
| Mar 31, 1964 | 24.44 |
| Feb 29, 1964 | 24.27 |
| Jan 31, 1964 | 24.09 |
| Dec 31, 1963 | 23.92 |
| Nov 30, 1963 | 23.75 |
| Oct 31, 1963 | 23.50 |
| Sep 30, 1963 | 23.33 |
| Aug 31, 1963 | 23.30 |
| Jul 31, 1963 | 23.26 |
| Jun 30, 1963 | 23.30 |
| May 31, 1963 | 23.20 |
| Apr 30, 1963 | 23.03 |
| Mar 31, 1963 | 22.85 |
| Feb 28, 1963 | 22.85 |
| Jan 31, 1963 | 22.78 |
| Dec 31, 1962 | 22.71 |
| Nov 30, 1962 | 22.53 |
| Oct 31, 1962 | 22.35 |
| Sep 30, 1962 | 22.18 |
| Aug 31, 1962 | 22.18 |
| Jul 31, 1962 | 22.11 |
| Jun 30, 1962 | 22.11 |
| May 31, 1962 | 22.04 |
| Apr 30, 1962 | 21.97 |
| Mar 31, 1962 | 21.97 |
| Feb 28, 1962 | 21.90 |
| Jan 31, 1962 | 21.90 |
| Dec 31, 1961 | 21.82 |
| Nov 30, 1961 | 21.61 |
| Oct 31, 1961 | 21.39 |
| Sep 30, 1961 | 21.18 |
| Aug 31, 1961 | 21.17 |
| Jul 31, 1961 | 21.03 |
| Jun 30, 1961 | 21.10 |
| May 31, 1961 | 21.10 |
| Apr 30, 1961 | 21.10 |
| Mar 31, 1961 | 21.10 |
| Feb 28, 1961 | 21.14 |
| Jan 31, 1961 | 21.17 |
| Dec 31, 1960 | 21.21 |
| Nov 30, 1960 | 21.21 |
| Oct 31, 1960 | 21.21 |
| Sep 30, 1960 | 21.35 |
| Aug 31, 1960 | 21.35 |
| Jul 31, 1960 | 21.35 |
| Jun 30, 1960 | 21.35 |
| May 31, 1960 | 21.39 |
| Apr 30, 1960 | 21.35 |
| Mar 31, 1960 | 21.39 |
| Feb 29, 1960 | 20.98 |
| Jan 31, 1960 | 20.65 |
| Dec 31, 1959 | 20.17 |
| Nov 30, 1959 | 20.10 |
| Oct 31, 1959 | 20.03 |
| Sep 30, 1959 | 20.02 |
| Aug 31, 1959 | 20.02 |
| Jul 31, 1959 | 19.94 |
| Jun 30, 1959 | 19.94 |
| May 31, 1959 | 19.93 |
| Apr 30, 1959 | 19.86 |
| Mar 31, 1959 | 19.85 |
| Feb 28, 1959 | 19.78 |
| Jan 31, 1959 | 19.63 |
| Dec 31, 1958 | 19.63 |
| Nov 30, 1958 | 19.48 |
| Oct 31, 1958 | 19.48 |
| Sep 30, 1958 | 19.40 |
| Aug 31, 1958 | 19.40 |
| Jul 31, 1958 | 19.34 |
| Jun 30, 1958 | 19.40 |
| May 31, 1958 | 19.55 |
| Apr 30, 1958 | 19.70 |
| Mar 31, 1958 | 19.92 |
| Feb 28, 1958 | 20.13 |
| Jan 31, 1958 | 20.21 |
| Dec 31, 1957 | 20.43 |
| Nov 30, 1957 | 20.31 |
| Oct 31, 1957 | 20.27 |
| Sep 30, 1957 | 20.16 |
| Aug 31, 1957 | 20.04 |
| Jul 31, 1957 | 19.93 |
| Jun 30, 1957 | 19.95 |
| May 31, 1957 | 20.03 |
| Apr 30, 1957 | 20.10 |
| Mar 31, 1957 | 20.17 |
| Feb 28, 1957 | 20.28 |
| Jan 31, 1957 | 20.39 |
| Dec 31, 1956 | 20.43 |
| Nov 30, 1956 | 20.90 |
| Oct 31, 1956 | 21.29 |
| Sep 30, 1956 | 21.77 |
| Aug 31, 1956 | 21.69 |
| Jul 31, 1956 | 21.45 |
| Jun 30, 1956 | 21.45 |
| May 31, 1956 | 21.33 |
| Apr 30, 1956 | 21.13 |
| Mar 31, 1956 | 20.92 |
| Feb 29, 1956 | 20.56 |
| Jan 31, 1956 | 20.20 |
| Dec 31, 1955 | 19.83 |
| Nov 30, 1955 | 19.68 |
| Oct 31, 1955 | 19.60 |
| Sep 30, 1955 | 19.52 |
| Aug 31, 1955 | 19.39 |
| Jul 31, 1955 | 19.19 |
| Jun 30, 1955 | 19.06 |
| May 31, 1955 | 19.02 |
| Apr 30, 1955 | 18.98 |
| Mar 31, 1955 | 18.94 |
| Feb 28, 1955 | 18.86 |
| Jan 31, 1955 | 18.78 |
| Dec 31, 1954 | 18.69 |
| Nov 30, 1954 | 18.34 |
| Oct 31, 1954 | 18.06 |
| Sep 30, 1954 | 17.78 |
| Aug 31, 1954 | 17.63 |
| Jul 31, 1954 | 17.55 |
| Jun 30, 1954 | 17.47 |
| May 31, 1954 | 17.55 |
| Apr 30, 1954 | 17.70 |
| Mar 31, 1954 | 17.71 |
| Feb 28, 1954 | 17.63 |
| Jan 31, 1954 | 17.55 |
| Dec 31, 1953 | 17.47 |
| Nov 30, 1953 | 17.35 |
| Oct 31, 1953 | 17.17 |
| Sep 30, 1953 | 17.11 |
| Aug 31, 1953 | 17.11 |
| Jul 31, 1953 | 17.17 |
| Jun 30, 1953 | 17.17 |
| May 31, 1953 | 17.20 |
| Apr 30, 1953 | 17.22 |
| Mar 31, 1953 | 17.18 |
| Feb 28, 1953 | 17.25 |
| Jan 31, 1953 | 17.18 |
| Dec 31, 1952 | 17.12 |
| Nov 30, 1952 | 17.28 |
| Oct 31, 1952 | 17.44 |
| Sep 30, 1952 | 17.60 |
| Aug 31, 1952 | 17.60 |
| Jul 31, 1952 | 17.60 |
| Jun 30, 1952 | 17.73 |
| May 31, 1952 | 17.68 |
| Apr 30, 1952 | 17.56 |
| Mar 31, 1952 | 17.50 |
| Feb 29, 1952 | 17.46 |
| Jan 31, 1952 | 17.29 |
| Dec 31, 1951 | 17.25 |
| Nov 30, 1951 | 17.76 |
| Oct 31, 1951 | 18.35 |
| Sep 30, 1951 | 18.88 |
| Aug 31, 1951 | 19.19 |
| Jul 31, 1951 | 19.36 |
| Jun 30, 1951 | 19.52 |
| May 31, 1951 | 19.36 |
| Apr 30, 1951 | 19.26 |
| Mar 31, 1951 | 19.10 |
| Feb 28, 1951 | 18.96 |
| Jan 31, 1951 | 18.97 |
| Dec 31, 1950 | 19.06 |
| Nov 30, 1950 | 18.68 |
| Oct 31, 1950 | 18.14 |
| Sep 30, 1950 | 17.67 |
| Aug 31, 1950 | 17.16 |
| Jul 31, 1950 | 16.72 |
| Jun 30, 1950 | 16.34 |
| May 31, 1950 | 16.27 |
| Apr 30, 1950 | 16.21 |
| Mar 31, 1950 | 16.07 |
| Feb 28, 1950 | 16.00 |
| Jan 31, 1950 | 15.86 |
| Dec 31, 1949 | 15.66 |
| Nov 30, 1949 | 15.07 |
| Oct 31, 1949 | 14.68 |
| Sep 30, 1949 | 14.10 |
| Aug 31, 1949 | 14.07 |
| Jul 31, 1949 | 14.04 |
| Jun 30, 1949 | 13.83 |
| May 31, 1949 | 13.71 |
| Apr 30, 1949 | 13.47 |
| Mar 31, 1949 | 13.35 |
| Feb 28, 1949 | 13.12 |
| Jan 31, 1949 | 12.78 |
| Dec 31, 1948 | 12.51 |
| Nov 30, 1948 | 12.19 |
| Oct 31, 1948 | 11.82 |
| Sep 30, 1948 | 11.51 |
| Aug 31, 1948 | 11.42 |
| Jul 31, 1948 | 11.38 |
| Jun 30, 1948 | 11.43 |
| May 31, 1948 | 11.53 |
| Apr 30, 1948 | 11.58 |
| Mar 31, 1948 | 11.77 |
| Feb 29, 1948 | 11.68 |
| Jan 31, 1948 | 11.53 |
| Dec 31, 1947 | 11.64 |
| Nov 30, 1947 | 11.55 |
| Oct 31, 1947 | 11.37 |
| Sep 30, 1947 | 11.13 |
| Aug 31, 1947 | 11.24 |
| Jul 31, 1947 | 11.24 |
| Jun 30, 1947 | 11.20 |
| May 31, 1947 | 11.05 |
| Apr 30, 1947 | 10.85 |
| Mar 31, 1947 | 10.66 |
| Feb 28, 1947 | 10.80 |
| Jan 31, 1947 | 10.75 |
| Dec 31, 1946 | 10.70 |
| Nov 30, 1946 | 10.70 |
| Oct 31, 1946 | 10.86 |
| Sep 30, 1946 | 10.96 |
| Aug 31, 1946 | 11.02 |
| Jul 31, 1946 | 11.19 |
| Jun 30, 1946 | 11.79 |
| May 31, 1946 | 11.91 |
| Apr 30, 1946 | 11.98 |
| Mar 31, 1946 | 12.04 |
| Feb 28, 1946 | 12.06 |
| Jan 31, 1946 | 11.87 |
| Dec 31, 1945 | 11.75 |
| Nov 30, 1945 | 11.82 |
| Oct 31, 1945 | 11.82 |
| Sep 30, 1945 | 11.82 |
| Aug 31, 1945 | 11.76 |
| Jul 31, 1945 | 11.70 |
| Jun 30, 1945 | 11.64 |
| May 31, 1945 | 11.77 |
| Apr 30, 1945 | 11.84 |
| Mar 31, 1945 | 11.84 |
| Feb 28, 1945 | 11.78 |
| Jan 31, 1945 | 11.71 |
| Dec 31, 1944 | 11.65 |
| Nov 30, 1944 | 11.72 |
| Oct 31, 1944 | 11.72 |
| Sep 30, 1944 | 11.72 |
| Aug 31, 1944 | 11.66 |
| Jul 31, 1944 | 11.60 |
| Jun 30, 1944 | 11.60 |
| May 31, 1944 | 11.61 |
| Apr 30, 1944 | 11.54 |
| Mar 31, 1944 | 11.55 |
| Feb 29, 1944 | 11.49 |
| Jan 31, 1944 | 11.42 |
| Dec 31, 1943 | 11.36 |
| Nov 30, 1943 | 11.30 |
| Oct 31, 1943 | 11.24 |
| Sep 30, 1943 | 11.18 |
| Aug 31, 1943 | 11.18 |
| Jul 31, 1943 | 11.05 |
| Jun 30, 1943 | 10.93 |
| May 31, 1943 | 10.93 |
| Apr 30, 1943 | 10.99 |
| Mar 31, 1943 | 11.12 |
| Feb 28, 1943 | 11.32 |
| Jan 31, 1943 | 11.32 |
| Dec 31, 1942 | 11.32 |
| Nov 30, 1942 | 11.58 |
| Oct 31, 1942 | 11.84 |
| Sep 30, 1942 | 12.18 |
| Aug 31, 1942 | 12.44 |
| Jul 31, 1942 | 12.78 |
| Jun 30, 1942 | 13.12 |
| May 31, 1942 | 13.32 |
| Apr 30, 1942 | 13.69 |
| Mar 31, 1942 | 13.98 |
| Feb 28, 1942 | 14.29 |
| Jan 31, 1942 | 14.52 |
| Dec 31, 1941 | 14.85 |
| Nov 30, 1941 | 14.87 |
| Oct 31, 1941 | 14.90 |
| Sep 30, 1941 | 15.03 |
| Aug 31, 1941 | 15.15 |
| Jul 31, 1941 | 15.29 |
| Jun 30, 1941 | 15.21 |
| May 31, 1941 | 15.46 |
| Apr 30, 1941 | 15.49 |
| Mar 31, 1941 | 15.52 |
| Feb 28, 1941 | 15.55 |
| Jan 31, 1941 | 15.48 |
| Dec 31, 1940 | 15.40 |
| Nov 30, 1940 | 15.51 |
| Oct 31, 1940 | 15.51 |
| Sep 30, 1940 | 15.51 |
| Aug 31, 1940 | 15.36 |
| Jul 31, 1940 | 15.20 |
| Jun 30, 1940 | 14.94 |
| May 31, 1940 | 14.89 |
| Apr 30, 1940 | 14.74 |
| Mar 31, 1940 | 14.59 |
| Feb 29, 1940 | 14.51 |
| Jan 31, 1940 | 14.53 |
| Dec 31, 1939 | 14.35 |
| Nov 30, 1939 | 13.89 |
| Oct 31, 1939 | 13.43 |
| Sep 30, 1939 | 12.87 |
| Aug 31, 1939 | 12.92 |
| Jul 31, 1939 | 12.68 |
| Jun 30, 1939 | 12.45 |
| May 31, 1939 | 12.37 |
| Apr 30, 1939 | 12.29 |
| Mar 31, 1939 | 12.13 |
| Feb 28, 1939 | 12.05 |
| Jan 31, 1939 | 11.88 |
| Dec 31, 1938 | 11.81 |
| Nov 30, 1938 | 12.96 |
| Oct 31, 1938 | 14.12 |
| Sep 30, 1938 | 15.17 |
| Aug 31, 1938 | 15.78 |
| Jul 31, 1938 | 16.40 |
| Jun 30, 1938 | 17.01 |
| May 31, 1938 | 17.32 |
| Apr 30, 1938 | 17.50 |
| Mar 31, 1938 | 17.93 |
| Feb 28, 1938 | 18.08 |
| Jan 31, 1938 | 18.11 |
| Dec 31, 1937 | 18.01 |
| Nov 30, 1937 | 17.66 |
| Oct 31, 1937 | 17.32 |
| Sep 30, 1937 | 17.09 |
| Aug 31, 1937 | 17.73 |
| Jul 31, 1937 | 18.26 |
| Jun 30, 1937 | 18.91 |
| May 31, 1937 | 18.23 |
| Apr 30, 1937 | 17.68 |
| Mar 31, 1937 | 17.12 |
| Feb 28, 1937 | 17.01 |
| Jan 31, 1937 | 16.78 |
| Dec 31, 1936 | 16.67 |
| Nov 30, 1936 | 15.82 |
| Oct 31, 1936 | 14.97 |
| Sep 30, 1936 | 14.12 |
| Aug 31, 1936 | 13.66 |
| Jul 31, 1936 | 13.29 |
| Jun 30, 1936 | 12.92 |
| May 31, 1936 | 12.62 |
| Apr 30, 1936 | 12.22 |
| Mar 31, 1936 | 11.83 |
| Feb 29, 1936 | 11.51 |
| Jan 31, 1936 | 11.27 |
| Dec 31, 1935 | 11.04 |
| Nov 30, 1935 | 10.80 |
| Oct 31, 1935 | 10.65 |
| Sep 30, 1935 | 10.41 |
| Aug 31, 1935 | 10.41 |
| Jul 31, 1935 | 10.41 |
| Jun 30, 1935 | 10.41 |
| May 31, 1935 | 10.41 |
| Apr 30, 1935 | 10.49 |
| Mar 31, 1935 | 10.65 |
| Feb 28, 1935 | 10.65 |
| Jan 31, 1935 | 10.72 |
| Dec 31, 1934 | 10.88 |
| Nov 30, 1934 | 10.78 |
| Oct 31, 1934 | 10.76 |
| Sep 30, 1934 | 10.67 |
| Aug 31, 1934 | 10.80 |
| Jul 31, 1934 | 10.78 |
| Jun 30, 1934 | 10.76 |
| May 31, 1934 | 10.83 |
| Apr 30, 1934 | 10.80 |
| Mar 31, 1934 | 10.78 |
| Feb 28, 1934 | 10.76 |
| Jan 31, 1934 | 10.82 |
| Dec 31, 1933 | 10.80 |
| Nov 30, 1933 | 10.93 |
| Oct 31, 1933 | 11.05 |
| Sep 30, 1933 | 11.17 |
| Aug 31, 1933 | 11.30 |
| Jul 31, 1933 | 11.51 |
| Jun 30, 1933 | 12.00 |
| May 31, 1933 | 12.22 |
| Apr 30, 1933 | 12.35 |
| Mar 31, 1933 | 12.48 |
| Feb 28, 1933 | 12.51 |
| Jan 31, 1933 | 12.44 |
| Dec 31, 1932 | 12.37 |
| Nov 30, 1932 | 12.93 |
| Oct 31, 1932 | 13.48 |
| Sep 30, 1932 | 14.03 |
| Aug 31, 1932 | 14.57 |
| Jul 31, 1932 | 15.09 |
| Jun 30, 1932 | 15.73 |
| May 31, 1932 | 16.25 |
| Apr 30, 1932 | 16.63 |
| Mar 31, 1932 | 17.13 |
| Feb 29, 1932 | 17.62 |
| Jan 31, 1932 | 17.98 |
| Dec 31, 1931 | 18.20 |
| Nov 30, 1931 | 18.37 |
| Oct 31, 1931 | 18.42 |
| Sep 30, 1931 | 18.58 |
| Aug 31, 1931 | 18.75 |
| Jul 31, 1931 | 19.03 |
| Jun 30, 1931 | 19.32 |
| May 31, 1931 | 19.35 |
| Apr 30, 1931 | 19.38 |
| Mar 31, 1931 | 19.53 |
| Feb 28, 1931 | 19.68 |
| Jan 31, 1931 | 19.71 |
| Dec 31, 1930 | 19.73 |
| Nov 30, 1930 | 19.35 |
| Oct 31, 1930 | 19.22 |
| Sep 30, 1930 | 19.09 |
| Aug 31, 1930 | 19.19 |
| Jul 31, 1930 | 19.05 |
| Jun 30, 1930 | 18.81 |
| May 31, 1930 | 18.68 |
| Apr 30, 1930 | 18.56 |
| Mar 31, 1930 | 18.65 |
| Feb 28, 1930 | 18.53 |
| Jan 31, 1930 | 18.40 |
| Dec 31, 1929 | 18.28 |
| Nov 30, 1929 | 17.99 |
| Oct 31, 1929 | 17.80 |
| Sep 30, 1929 | 17.61 |
| Aug 31, 1929 | 17.42 |
| Jul 31, 1929 | 17.24 |
| Jun 30, 1929 | 17.25 |
| May 31, 1929 | 17.16 |
| Apr 30, 1929 | 17.07 |
| Mar 31, 1929 | 16.78 |
| Feb 28, 1929 | 16.49 |
| Jan 31, 1929 | 16.30 |
| Dec 31, 1928 | 16.11 |
| Nov 30, 1928 | 15.89 |
| Oct 31, 1928 | 15.77 |
| Sep 30, 1928 | 15.55 |
| Aug 31, 1928 | 15.61 |
| Jul 31, 1928 | 15.48 |
| Jun 30, 1928 | 15.35 |
| May 31, 1928 | 15.14 |
| Apr 30, 1928 | 15.10 |
| Mar 31, 1928 | 14.97 |
| Feb 29, 1928 | 14.85 |
| Jan 31, 1928 | 14.55 |
| Dec 31, 1927 | 14.43 |
| Nov 30, 1927 | 14.30 |
| Oct 31, 1927 | 14.10 |
| Sep 30, 1927 | 14.05 |
| Aug 31, 1927 | 14.01 |
| Jul 31, 1927 | 13.80 |
| Jun 30, 1927 | 13.44 |
| May 31, 1927 | 13.47 |
| Apr 30, 1927 | 13.43 |
| Mar 31, 1927 | 13.30 |
| Feb 28, 1927 | 13.10 |
| Jan 31, 1927 | 12.90 |
| Dec 31, 1926 | 12.64 |
| Nov 30, 1926 | 12.50 |
| Oct 31, 1926 | 12.43 |
| Sep 30, 1926 | 12.36 |
| Aug 31, 1926 | 12.29 |
| Jul 31, 1926 | 12.09 |
| Jun 30, 1926 | 11.81 |
| May 31, 1926 | 11.61 |
| Apr 30, 1926 | 11.41 |
| Mar 31, 1926 | 11.34 |
| Feb 28, 1926 | 11.14 |
| Jan 31, 1926 | 11.00 |
| Dec 31, 1925 | 10.86 |
| Nov 30, 1925 | 10.73 |
| Oct 31, 1925 | 10.84 |
| Sep 30, 1925 | 10.76 |
| Aug 31, 1925 | 10.68 |
| Jul 31, 1925 | 10.61 |
| Jun 30, 1925 | 10.65 |
| May 31, 1925 | 10.69 |
| Apr 30, 1925 | 10.68 |
| Mar 31, 1925 | 10.54 |
| Feb 28, 1925 | 10.52 |
| Jan 31, 1925 | 10.38 |
| Dec 31, 1924 | 10.30 |
| Nov 30, 1924 | 10.33 |
| Oct 31, 1924 | 10.30 |
| Sep 30, 1924 | 10.33 |
| Aug 31, 1924 | 10.36 |
| Jul 31, 1924 | 10.27 |
| Jun 30, 1924 | 10.30 |
| May 31, 1924 | 10.26 |
| Apr 30, 1924 | 10.23 |
| Mar 31, 1924 | 10.14 |
| Feb 29, 1924 | 10.05 |
| Jan 31, 1924 | 9.96 |
| Dec 31, 1923 | 9.93 |
| Nov 30, 1923 | 9.90 |
| Oct 31, 1923 | 9.87 |
| Sep 30, 1923 | 9.89 |
| Aug 31, 1923 | 9.92 |
| Jul 31, 1923 | 9.83 |
| Jun 30, 1923 | 9.91 |
| May 31, 1923 | 9.94 |
| Apr 30, 1923 | 9.91 |
| Mar 31, 1923 | 9.94 |
| Feb 28, 1923 | 9.90 |
| Jan 31, 1923 | 9.87 |
| Dec 31, 1922 | 9.78 |
| Nov 30, 1922 | 9.76 |
| Oct 31, 1922 | 9.74 |
| Sep 30, 1922 | 9.71 |
| Aug 31, 1922 | 9.63 |
| Jul 31, 1922 | 9.44 |
| Jun 30, 1922 | 9.41 |
| May 31, 1922 | 9.33 |
| Apr 30, 1922 | 9.25 |
| Mar 31, 1922 | 9.17 |
| Feb 28, 1922 | 8.98 |
| Jan 31, 1922 | 8.90 |
| Dec 31, 1921 | 8.62 |
| Nov 30, 1921 | 8.65 |
| Oct 31, 1921 | 8.67 |
| Sep 30, 1921 | 8.75 |
| Aug 31, 1921 | 8.73 |
| Jul 31, 1921 | 8.80 |
| Jun 30, 1921 | 8.93 |
| May 31, 1921 | 8.96 |
| Apr 30, 1921 | 8.83 |
| Mar 31, 1921 | 8.81 |
| Feb 28, 1921 | 8.84 |
| Jan 31, 1921 | 8.63 |
| Dec 31, 1920 | 8.52 |
| Nov 30, 1920 | 8.38 |
| Oct 31, 1920 | 8.36 |
| Sep 30, 1920 | 8.35 |
| Aug 31, 1920 | 8.25 |
| Jul 31, 1920 | 8.08 |
| Jun 30, 1920 | 8.06 |
| May 31, 1920 | 8.21 |
| Apr 30, 1920 | 8.36 |
| Mar 31, 1920 | 8.64 |
| Feb 29, 1920 | 8.75 |
| Jan 31, 1920 | 8.87 |
| Dec 31, 1919 | 9.09 |
| Nov 30, 1919 | 9.34 |
| Oct 31, 1919 | 9.61 |
| Sep 30, 1919 | 9.83 |
| Aug 31, 1919 | 9.95 |
| Jul 31, 1919 | 10.18 |
| Jun 30, 1919 | 10.55 |
| May 31, 1919 | 10.61 |
| Apr 30, 1919 | 10.80 |
| Mar 31, 1919 | 11.07 |
| Feb 28, 1919 | 11.27 |
| Jan 31, 1919 | 11.13 |
| Dec 31, 1918 | 11.20 |
| Nov 30, 1918 | 11.53 |
| Oct 31, 1918 | 11.95 |
| Sep 30, 1918 | 12.39 |
| Aug 31, 1918 | 12.84 |
| Jul 31, 1918 | 13.31 |
| Jun 30, 1918 | 13.89 |
| May 31, 1918 | 14.31 |
| Apr 30, 1918 | 14.84 |
| Mar 31, 1918 | 15.28 |
| Feb 28, 1918 | 15.40 |
| Jan 31, 1918 | 15.74 |
| Dec 31, 1917 | 16.32 |
| Nov 30, 1917 | 16.31 |
| Oct 31, 1917 | 16.05 |
| Sep 30, 1917 | 16.02 |
| Aug 31, 1917 | 16.12 |
| Jul 31, 1917 | 16.10 |
| Jun 30, 1917 | 15.58 |
| May 31, 1917 | 15.55 |
| Apr 30, 1917 | 15.52 |
| Mar 31, 1917 | 16.00 |
| Feb 28, 1917 | 15.71 |
| Jan 31, 1917 | 15.81 |
| Dec 31, 1916 | 15.65 |
| Nov 30, 1916 | 15.48 |
| Oct 31, 1916 | 15.44 |
| Sep 30, 1916 | 15.40 |
| Aug 31, 1916 | 15.36 |
| Jul 31, 1916 | 15.18 |
| Jun 30, 1916 | 14.86 |
| May 31, 1916 | 14.67 |
| Apr 30, 1916 | 14.47 |
| Mar 31, 1916 | 14.28 |
| Feb 29, 1916 | 14.08 |
| Jan 31, 1916 | 13.74 |
| Dec 31, 1915 | 13.53 |
| Nov 30, 1915 | 13.51 |
| Oct 31, 1915 | 13.61 |
| Sep 30, 1915 | 13.72 |
| Aug 31, 1915 | 13.69 |
| Jul 31, 1915 | 13.66 |
| Jun 30, 1915 | 13.64 |
| May 31, 1915 | 13.61 |
| Apr 30, 1915 | 13.72 |
| Mar 31, 1915 | 13.83 |
| Feb 28, 1915 | 13.67 |
| Jan 31, 1915 | 13.50 |
| Dec 31, 1914 | 13.48 |
| Nov 30, 1914 | 13.51 |
| Oct 31, 1914 | 13.80 |
| Sep 30, 1914 | 13.82 |
| Aug 31, 1914 | 13.98 |
| Jul 31, 1914 | 14.42 |
| Jun 30, 1914 | 14.73 |
| May 31, 1914 | 14.90 |
| Apr 30, 1914 | 15.21 |
| Mar 31, 1914 | 15.22 |
| Feb 28, 1914 | 15.39 |
| Jan 31, 1914 | 15.40 |
| Dec 31, 1913 | 15.56 |
| Nov 30, 1913 | 15.40 |
| Oct 31, 1913 | 15.56 |
| Sep 30, 1913 | 15.56 |
| Aug 31, 1913 | 15.72 |
| Jul 31, 1913 | 15.72 |
| Jun 30, 1913 | 15.88 |
| May 31, 1913 | 16.04 |
| Apr 30, 1913 | 15.88 |
| Mar 31, 1913 | 15.88 |
| Feb 28, 1913 | 15.88 |
| Jan 31, 1913 | 15.88 |
| Dec 31, 1912 | 16.04 |
| Nov 30, 1912 | 15.85 |
| Oct 31, 1912 | 15.82 |
| Sep 30, 1912 | 15.79 |
| Aug 31, 1912 | 15.93 |
| Jul 31, 1912 | 16.05 |
| Jun 30, 1912 | 16.02 |
| May 31, 1912 | 15.85 |
| Apr 30, 1912 | 15.82 |
| Mar 31, 1912 | 16.26 |
| Feb 29, 1912 | 16.56 |
| Jan 31, 1912 | 16.71 |
| Dec 31, 1911 | 16.85 |
| Nov 30, 1911 | 16.69 |
| Oct 31, 1911 | 16.50 |
| Sep 30, 1911 | 16.50 |
| Aug 31, 1911 | 16.69 |
| Jul 31, 1911 | 17.21 |
| Jun 30, 1911 | 17.41 |
| May 31, 1911 | 17.41 |
| Apr 30, 1911 | 17.41 |
| Mar 31, 1911 | 16.85 |
| Feb 28, 1911 | 17.04 |
| Jan 31, 1911 | 16.50 |
| Dec 31, 1910 | 16.50 |
| Nov 30, 1910 | 16.42 |
| Oct 31, 1910 | 16.00 |
| Sep 30, 1910 | 15.45 |
| Aug 31, 1910 | 15.21 |
| Jul 31, 1910 | 14.98 |
| Jun 30, 1910 | 14.90 |
| May 31, 1910 | 14.68 |
| Apr 30, 1910 | 14.33 |
| Mar 31, 1910 | 14.38 |
| Feb 28, 1910 | 14.57 |
| Jan 31, 1910 | 14.49 |
| Dec 31, 1909 | 14.28 |
| Nov 30, 1909 | 14.30 |
| Oct 31, 1909 | 14.33 |
| Sep 30, 1909 | 14.50 |
| Aug 31, 1909 | 14.54 |
| Jul 31, 1909 | 14.56 |
| Jun 30, 1909 | 14.45 |
| May 31, 1909 | 14.49 |
| Apr 30, 1909 | 14.51 |
| Mar 31, 1909 | 14.70 |
| Feb 28, 1909 | 14.58 |
| Jan 31, 1909 | 14.62 |
| Dec 31, 1908 | 14.34 |
| Nov 30, 1908 | 14.62 |
| Oct 31, 1908 | 14.89 |
| Sep 30, 1908 | 15.19 |
| Aug 31, 1908 | 15.31 |
| Jul 31, 1908 | 15.44 |
| Jun 30, 1908 | 15.72 |
| May 31, 1908 | 15.84 |
| Apr 30, 1908 | 15.97 |
| Mar 31, 1908 | 16.28 |
| Feb 29, 1908 | 16.41 |
| Jan 31, 1908 | 16.34 |
| Dec 31, 1907 | 16.30 |
| Nov 30, 1907 | 15.83 |
| Oct 31, 1907 | 15.07 |
| Sep 30, 1907 | 15.10 |
| Aug 31, 1907 | 14.98 |
| Jul 31, 1907 | 14.86 |
| Jun 30, 1907 | 14.75 |
| May 31, 1907 | 14.79 |
| Apr 30, 1907 | 14.98 |
| Mar 31, 1907 | 14.86 |
| Feb 28, 1907 | 14.58 |
| Jan 31, 1907 | 14.77 |
| Dec 31, 1906 | 14.50 |
| Nov 30, 1906 | 14.44 |
| Oct 31, 1906 | 14.38 |
| Sep 30, 1906 | 14.48 |
| Aug 31, 1906 | 14.42 |
| Jul 31, 1906 | 14.52 |
| Jun 30, 1906 | 13.82 |
| May 31, 1906 | 13.60 |
| Apr 30, 1906 | 13.52 |
| Mar 31, 1906 | 13.30 |
| Feb 28, 1906 | 13.08 |
| Jan 31, 1906 | 12.85 |
| Dec 31, 1905 | 12.63 |
| Nov 30, 1905 | 12.71 |
| Oct 31, 1905 | 12.79 |
| Sep 30, 1905 | 12.72 |
| Aug 31, 1905 | 12.52 |
| Jul 31, 1905 | 12.59 |
| Jun 30, 1905 | 12.53 |
| May 31, 1905 | 12.46 |
| Apr 30, 1905 | 12.26 |
| Mar 31, 1905 | 12.20 |
| Feb 28, 1905 | 11.99 |
| Jan 31, 1905 | 11.93 |
| Dec 31, 1904 | 11.86 |
| Nov 30, 1904 | 11.99 |
| Oct 31, 1904 | 12.40 |
| Sep 30, 1904 | 12.53 |
| Aug 31, 1904 | 12.81 |
| Jul 31, 1904 | 13.09 |
| Jun 30, 1904 | 13.22 |
| May 31, 1904 | 13.35 |
| Apr 30, 1904 | 13.18 |
| Mar 31, 1904 | 13.17 |
| Feb 29, 1904 | 13.14 |
| Jan 31, 1904 | 13.57 |
| Dec 31, 1903 | 14.02 |
| Nov 30, 1903 | 13.95 |
| Oct 31, 1903 | 13.74 |
| Sep 30, 1903 | 13.51 |
| Aug 31, 1903 | 13.60 |
| Jul 31, 1903 | 13.54 |
| Jun 30, 1903 | 13.47 |
| May 31, 1903 | 13.40 |
| Apr 30, 1903 | 13.04 |
| Mar 31, 1903 | 12.97 |
| Feb 28, 1903 | 12.47 |
| Jan 31, 1903 | 12.41 |
| Dec 31, 1902 | 12.50 |
| Nov 30, 1902 | 12.60 |
| Oct 31, 1902 | 12.16 |
| Sep 30, 1902 | 12.98 |
| Aug 31, 1902 | 13.09 |
| Jul 31, 1902 | 12.91 |
| Jun 30, 1902 | 12.88 |
| May 31, 1902 | 12.99 |
| Apr 30, 1902 | 13.11 |
| Mar 31, 1902 | 13.23 |
| Feb 28, 1902 | 13.20 |
| Jan 31, 1902 | 13.16 |
| Dec 31, 1901 | 12.98 |
| Nov 30, 1901 | 13.06 |
| Oct 31, 1901 | 13.16 |
| Sep 30, 1901 | 13.09 |
| Aug 31, 1901 | 13.17 |
| Jul 31, 1901 | 13.28 |
| Jun 30, 1901 | 13.36 |
| May 31, 1901 | 13.29 |
| Apr 30, 1901 | 13.22 |
| Mar 31, 1901 | 12.99 |
| Feb 28, 1901 | 12.92 |
| Jan 31, 1901 | 12.68 |
| Dec 31, 1900 | 12.78 |
| Nov 30, 1900 | 12.30 |
| Oct 31, 1900 | 11.98 |
| Sep 30, 1900 | 11.53 |
| Aug 31, 1900 | 11.35 |
| Jul 31, 1900 | 10.91 |
| Jun 30, 1900 | 10.72 |
| May 31, 1900 | 10.28 |
| Apr 30, 1900 | 9.74 |
| Mar 31, 1900 | 9.43 |
| Feb 28, 1900 | 9.13 |
| Jan 31, 1900 | 8.92 |
| Dec 31, 1899 | 8.62 |
| Nov 30, 1899 | 8.69 |
| Oct 31, 1899 | 8.76 |
| Sep 30, 1899 | 8.84 |
| Aug 31, 1899 | 9.14 |
| Jul 31, 1899 | 9.23 |
| Jun 30, 1899 | 9.31 |
| May 31, 1899 | 9.40 |
| Apr 30, 1899 | 9.36 |
| Mar 31, 1899 | 9.44 |
| Feb 28, 1899 | 9.41 |
| Jan 31, 1899 | 9.63 |
| Dec 31, 1898 | 9.59 |
| Nov 30, 1898 | 9.65 |
| Oct 31, 1898 | 9.57 |
| Sep 30, 1898 | 9.49 |
| Aug 31, 1898 | 9.41 |
| Jul 31, 1898 | 9.33 |
| Jun 30, 1898 | 9.11 |
| May 31, 1898 | 8.44 |
| Apr 30, 1898 | 8.95 |
| Mar 31, 1898 | 8.87 |
| Feb 28, 1898 | 8.79 |
| Jan 31, 1898 | 8.84 |
| Dec 31, 1897 | 8.76 |
| Nov 30, 1897 | 8.76 |
| Oct 31, 1897 | 8.76 |
| Sep 30, 1897 | 8.63 |
| Aug 31, 1897 | 8.88 |
| Jul 31, 1897 | 9.29 |
| Jun 30, 1897 | 9.29 |
| May 31, 1897 | 9.29 |
| Apr 30, 1897 | 9.16 |
| Mar 31, 1897 | 9.02 |
| Feb 28, 1897 | 9.02 |
| Jan 31, 1897 | 9.02 |
| Dec 31, 1896 | 8.76 |
| Nov 30, 1896 | 8.80 |
| Oct 31, 1896 | 9.10 |
| Sep 30, 1896 | 9.42 |
| Aug 31, 1896 | 9.46 |
| Jul 31, 1896 | 9.51 |
| Jun 30, 1896 | 9.55 |
| May 31, 1896 | 9.45 |
| Apr 30, 1896 | 9.35 |
| Mar 31, 1896 | 9.25 |
| Feb 29, 1896 | 9.29 |
| Jan 31, 1896 | 9.21 |
| Dec 31, 1895 | 9.11 |
| Nov 30, 1895 | 9.07 |
| Oct 31, 1895 | 9.15 |
| Sep 30, 1895 | 9.23 |
| Aug 31, 1895 | 9.31 |
| Jul 31, 1895 | 9.25 |
| Jun 30, 1895 | 9.21 |
| May 31, 1895 | 9.41 |
| Apr 30, 1895 | 9.62 |
| Mar 31, 1895 | 10.11 |
| Feb 28, 1895 | 10.20 |
| Jan 31, 1895 | 10.28 |
| Dec 31, 1894 | 10.36 |
| Nov 30, 1894 | 10.38 |
| Oct 31, 1894 | 10.55 |
| Sep 30, 1894 | 10.41 |
| Aug 31, 1894 | 10.71 |
| Jul 31, 1894 | 11.18 |
| Jun 30, 1894 | 11.35 |
| May 31, 1894 | 11.51 |
| Apr 30, 1894 | 11.68 |
| Mar 31, 1894 | 11.84 |
| Feb 28, 1894 | 11.67 |
| Jan 31, 1894 | 11.67 |
| Dec 31, 1893 | 11.51 |
| Nov 30, 1893 | 11.31 |
| Oct 31, 1893 | 10.98 |
| Sep 30, 1893 | 11.10 |
| Aug 31, 1893 | 11.51 |
| Jul 31, 1893 | 11.02 |
| Jun 30, 1893 | 10.70 |
| May 31, 1893 | 10.40 |
| Apr 30, 1893 | 10.23 |
| Mar 31, 1893 | 10.08 |
| Feb 28, 1893 | 9.80 |
| Jan 31, 1893 | 9.88 |
| Dec 31, 1892 | 10.22 |
| Nov 30, 1892 | 10.27 |
| Oct 31, 1892 | 10.47 |
| Sep 30, 1892 | 10.39 |
| Aug 31, 1892 | 10.32 |
| Jul 31, 1892 | 10.39 |
| Jun 30, 1892 | 10.59 |
| May 31, 1892 | 10.51 |
| Apr 30, 1892 | 10.44 |
| Mar 31, 1892 | 10.21 |
| Feb 29, 1892 | 9.87 |
| Jan 31, 1892 | 9.80 |
| Dec 31, 1891 | 9.48 |
| Nov 30, 1891 | 9.48 |
| Oct 31, 1891 | 9.37 |
| Sep 30, 1891 | 9.37 |
| Aug 31, 1891 | 9.25 |
| Jul 31, 1891 | 9.25 |
| Jun 30, 1891 | 9.14 |
| May 31, 1891 | 8.92 |
| Apr 30, 1891 | 8.81 |
| Mar 31, 1891 | 8.92 |
| Feb 28, 1891 | 9.03 |
| Jan 31, 1891 | 9.14 |
| Dec 31, 1890 | 9.03 |
| Nov 30, 1890 | 9.03 |
| Oct 31, 1890 | 8.81 |
| Sep 30, 1890 | 8.81 |
| Aug 31, 1890 | 8.92 |
| Jul 31, 1890 | 9.25 |
| Jun 30, 1890 | 9.25 |
| May 31, 1890 | 9.25 |
| Apr 30, 1890 | 9.37 |
| Mar 31, 1890 | 9.37 |
| Feb 28, 1890 | 9.37 |
| Jan 31, 1890 | 9.37 |
| Dec 31, 1889 | 9.14 |
| Nov 30, 1889 | 9.28 |
| Oct 31, 1889 | 9.32 |
| Sep 30, 1889 | 9.35 |
| Aug 31, 1889 | 9.51 |
| Jul 31, 1889 | 9.55 |
| Jun 30, 1889 | 9.58 |
| May 31, 1889 | 9.62 |
| Apr 30, 1889 | 9.42 |
| Mar 31, 1889 | 9.45 |
| Feb 28, 1889 | 9.37 |
| Jan 31, 1889 | 9.30 |
| Dec 31, 1888 | 9.00 |
| Nov 30, 1888 | 9.07 |
| Oct 31, 1888 | 9.24 |
| Sep 30, 1888 | 9.42 |
| Aug 31, 1888 | 9.48 |
| Jul 31, 1888 | 9.55 |
| Jun 30, 1888 | 9.74 |
| May 31, 1888 | 9.68 |
| Apr 30, 1888 | 9.64 |
| Mar 31, 1888 | 9.59 |
| Feb 29, 1888 | 9.66 |
| Jan 31, 1888 | 9.62 |
| Dec 31, 1887 | 9.79 |
| Nov 30, 1887 | 9.92 |
| Oct 31, 1887 | 9.94 |
| Sep 30, 1887 | 9.95 |
| Aug 31, 1887 | 9.74 |
| Jul 31, 1887 | 9.74 |
| Jun 30, 1887 | 9.53 |
| May 31, 1887 | 9.32 |
| Apr 30, 1887 | 9.21 |
| Mar 31, 1887 | 9.11 |
| Feb 28, 1887 | 9.01 |
| Jan 31, 1887 | 9.03 |
| Dec 31, 1886 | 9.14 |
| Nov 30, 1886 | 9.32 |
| Oct 31, 1886 | 9.39 |
| Sep 30, 1886 | 9.46 |
| Aug 31, 1886 | 9.53 |
| Jul 31, 1886 | 9.72 |
| Jun 30, 1886 | 9.91 |
| May 31, 1886 | 9.87 |
| Apr 30, 1886 | 9.69 |
| Mar 31, 1886 | 9.64 |
| Feb 28, 1886 | 9.60 |
| Jan 31, 1886 | 9.67 |
| Dec 31, 1885 | 9.51 |
| Nov 30, 1885 | 9.97 |
| Oct 31, 1885 | 10.33 |
| Sep 30, 1885 | 10.56 |
| Aug 31, 1885 | 10.68 |
| Jul 31, 1885 | 10.92 |
| Jun 30, 1885 | 11.28 |
| May 31, 1885 | 11.25 |
| Apr 30, 1885 | 11.22 |
| Mar 31, 1885 | 11.59 |
| Feb 28, 1885 | 11.55 |
| Jan 31, 1885 | 11.91 |
| Dec 31, 1884 | 12.14 |
| Nov 30, 1884 | 12.07 |
| Oct 31, 1884 | 11.86 |
| Sep 30, 1884 | 11.79 |
| Aug 31, 1884 | 11.73 |
| Jul 31, 1884 | 11.79 |
| Jun 30, 1884 | 11.72 |
| May 31, 1884 | 11.78 |
| Apr 30, 1884 | 11.59 |
| Mar 31, 1884 | 11.41 |
| Feb 29, 1884 | 11.47 |
| Jan 31, 1884 | 11.53 |
| Dec 31, 1883 | 11.59 |
| Nov 30, 1883 | 11.69 |
| Oct 31, 1883 | 11.53 |
| Sep 30, 1883 | 11.50 |
| Aug 31, 1883 | 11.36 |
| Jul 31, 1883 | 11.33 |
| Jun 30, 1883 | 11.08 |
| May 31, 1883 | 10.72 |
| Apr 30, 1883 | 10.58 |
| Mar 31, 1883 | 10.46 |
| Feb 28, 1883 | 10.33 |
| Jan 31, 1883 | 10.41 |
| Dec 31, 1882 | 10.38 |
| Nov 30, 1882 | 10.28 |
| Oct 31, 1882 | 10.19 |
| Sep 30, 1882 | 10.09 |
| Aug 31, 1882 | 9.82 |
| Jul 31, 1882 | 9.91 |
| Jun 30, 1882 | 9.82 |
| May 31, 1882 | 9.91 |
| Apr 30, 1882 | 10.00 |
| Mar 31, 1882 | 10.09 |
| Feb 28, 1882 | 10.09 |
| Jan 31, 1882 | 10.19 |
| Dec 31, 1881 | 10.19 |
| Nov 30, 1881 | 10.03 |
| Oct 31, 1881 | 9.77 |
| Sep 30, 1881 | 9.71 |
| Aug 31, 1881 | 9.92 |
| Jul 31, 1881 | 9.95 |
| Jun 30, 1881 | 9.88 |
| May 31, 1881 | 9.71 |
| Apr 30, 1881 | 9.44 |
| Mar 31, 1881 | 9.37 |
| Feb 28, 1881 | 9.20 |
| Jan 31, 1881 | 9.12 |
| Dec 31, 1880 | 8.86 |
| Nov 30, 1880 | 8.77 |
| Oct 31, 1880 | 8.69 |
| Sep 30, 1880 | 8.52 |
| Aug 31, 1880 | 8.43 |
| Jul 31, 1880 | 8.25 |
| Jun 30, 1880 | 8.08 |
| May 31, 1880 | 7.74 |
| Apr 30, 1880 | 7.35 |
| Mar 31, 1880 | 6.91 |
| Feb 29, 1880 | 6.81 |
| Jan 31, 1880 | 6.65 |
| Dec 31, 1879 | 6.68 |
| Nov 30, 1879 | 6.82 |
| Oct 31, 1879 | 7.13 |
| Sep 30, 1879 | 7.46 |
| Aug 31, 1879 | 7.66 |
| Jul 31, 1879 | 7.60 |
| Jun 30, 1879 | 7.61 |
| May 31, 1879 | 7.46 |
| Apr 30, 1879 | 7.40 |
| Mar 31, 1879 | 7.24 |
| Feb 28, 1879 | 7.10 |
| Jan 31, 1879 | 7.11 |
| Dec 31, 1878 | 7.13 |
| Nov 30, 1878 | 7.00 |
| Oct 31, 1878 | 6.95 |
| Sep 30, 1878 | 6.91 |
| Aug 31, 1878 | 6.94 |
| Jul 31, 1878 | 7.05 |
| Jun 30, 1878 | 7.16 |
| May 31, 1878 | 7.04 |
| Apr 30, 1878 | 6.84 |
| Mar 31, 1878 | 6.80 |
| Feb 28, 1878 | 6.68 |
| Jan 31, 1878 | 6.64 |
| Dec 31, 1877 | 6.48 |
| Nov 30, 1877 | 6.79 |
| Oct 31, 1877 | 6.96 |
| Sep 30, 1877 | 7.27 |
| Aug 31, 1877 | 7.50 |
| Jul 31, 1877 | 7.51 |
| Jun 30, 1877 | 7.87 |
| May 31, 1877 | 7.73 |
| Apr 30, 1877 | 8.15 |
| Mar 31, 1877 | 8.68 |
| Feb 28, 1877 | 8.57 |
| Jan 31, 1877 | 8.62 |
| Dec 31, 1876 | 9.05 |
| Nov 30, 1876 | 9.21 |
| Oct 31, 1876 | 9.29 |
| Sep 30, 1876 | 9.46 |
| Aug 31, 1876 | 9.55 |
| Jul 31, 1876 | 9.64 |
| Jun 30, 1876 | 9.64 |
| May 31, 1876 | 9.38 |
| Apr 30, 1876 | 9.05 |
| Mar 31, 1876 | 8.96 |
| Feb 29, 1876 | 8.96 |
| Jan 31, 1876 | 8.96 |
| Dec 31, 1875 | 8.89 |
| Nov 30, 1875 | 8.88 |
| Oct 31, 1875 | 8.88 |
| Sep 30, 1875 | 8.95 |
| Aug 31, 1875 | 8.95 |
| Jul 31, 1875 | 9.10 |
| Jun 30, 1875 | 9.17 |
| May 31, 1875 | 9.09 |
| Apr 30, 1875 | 8.93 |
| Mar 31, 1875 | 9.08 |
| Feb 28, 1875 | 9.15 |
| Jan 31, 1875 | 9.22 |
| Dec 31, 1874 | 9.29 |
| Nov 30, 1874 | 9.29 |
| Oct 31, 1874 | 9.21 |
| Sep 30, 1874 | 9.06 |
| Aug 31, 1874 | 9.06 |
| Jul 31, 1874 | 9.00 |
| Jun 30, 1874 | 9.06 |
| May 31, 1874 | 8.85 |
| Apr 30, 1874 | 8.78 |
| Mar 31, 1874 | 8.65 |
| Feb 28, 1874 | 8.65 |
| Jan 31, 1874 | 8.65 |
| Dec 31, 1873 | 8.78 |
| Nov 30, 1873 | 8.93 |
| Oct 31, 1873 | 8.59 |
| Sep 30, 1873 | 8.32 |
| Aug 31, 1873 | 8.26 |
| Jul 31, 1873 | 8.19 |
| Jun 30, 1873 | 8.13 |
| May 31, 1873 | 7.83 |
| Apr 30, 1873 | 7.59 |
| Mar 31, 1873 | 7.53 |
| Feb 28, 1873 | 7.47 |
| Jan 31, 1873 | 7.58 |
| Dec 31, 1872 | 7.51 |
| Nov 30, 1872 | 7.32 |
| Oct 31, 1872 | 7.46 |
| Sep 30, 1872 | 7.21 |
| Aug 31, 1872 | 7.18 |
| Jul 31, 1872 | 7.15 |
| Jun 30, 1872 | 6.97 |
| May 31, 1872 | 6.83 |
| Apr 30, 1872 | 6.75 |
| Mar 31, 1872 | 6.82 |
| Feb 29, 1872 | 6.83 |
| Jan 31, 1872 | 6.75 |
| Dec 31, 1871 | 6.66 |
| Nov 30, 1871 | 6.81 |
| Oct 31, 1871 | 6.81 |
| Sep 30, 1871 | 6.92 |
| Aug 31, 1871 | 7.09 |
| Jul 31, 1871 | 6.98 |
| Jun 30, 1871 | 6.98 |
| May 31, 1871 | 6.87 |
| Apr 30, 1871 | 6.71 |
| Mar 31, 1871 | 6.47 |
| Feb 28, 1871 | 6.56 |
| Jan 31, 1871 | 6.76 |
12-month real dividend per share — inflation adjusted November, 2025 dollars.
Data courtesy Standard & Poor’s and Robert Shiller.