
Data Series
Period | Period Average | End of Period |
Jun-2022 | 151.13 | 148.9 |
May-2022 | 150.72 | 152.67 |
Apr-2022 | 153.65 | 151.18 |
Mar-2022 | 154.89 | 156.23 |
Feb-2022 | 160.47 | 157.54 |
Jan-2022 | 162.38 | 159.94 |
Dec-2021 | 162.99 | 162.56 |
Nov-2021 | 164.7 | 163.48 |
Oct-2021 | 166.42 | 166.7 |
Sep-2021 | 168.05 | 166.59 |
Aug-2021 | 168.11 | 168.58 |
Jul-2021 | 168.58 | 169.46 |
Jun-2021 | 170.06 | 169.2 |
May-2021 | 170.36 | 170.4 |
Apr-2021 | 168.52 | 169.54 |
Mar-2021 | 167.47 | 166.59 |
Feb-2021 | 168.58 | 168.7 |
Jan-2021 | 169.28 | 168.08 |
Dec-2020 | 168.03 | 169.05 |
Nov-2020 | 164.95 | 166.12 |
Oct-2020 | 163.7 | 163.39 |
Sep-2020 | 163.51 | 162.94 |
Aug-2020 | 163.47 | 164.66 |
Jul-2020 | 157.58 | 161.09 |
Jun-2020 | 155.76 | 155.03 |
May-2020 | 152.94 | 153.91 |
Apr-2020 | 148.98 | 152.37 |
Mar-2020 | 156.12 | 149.49 |
Feb-2020 | 155.74 | 157.19 |
Jan-2020 | 156.86 | 156.55 |
Dec-2019 | 156.63 | 157.01 |
Nov-2019 | 156.18 | 156.01 |
Oct-2019 | 155.7 | 156.66 |
Sep-2019 | 155.56 | 154.71 |
Aug-2019 | 157.05 | 156.58 |
Jul-2019 | 157.21 | 156.82 |
Jun-2019 | 157.07 | 157.55 |
May-2019 | 155.73 | 155.05 |
Apr-2019 | 156.52 | 156.19 |
Mar-2019 | 156.83 | 155.83 |
Feb-2019 | 158.1 | 158.14 |
Jan-2019 | 158.11 | 158.49 |
Dec-2018 | 158.18 | 157.94 |
Nov-2018 | 158.41 | 158.73 |
Oct-2018 | 158.94 | 157.79 |
Sep-2018 | 160.37 | 160.02 |
Aug-2018 | 159.13 | 160.25 |
Jul-2018 | 159.28 | 159.92 |
Jun-2018 | 158.82 | 158.64 |
May-2018 | 159.88 | 158.78 |
Apr-2018 | 163.67 | 162.29 |
Mar-2018 | 164.13 | 163.92 |
Feb-2018 | 164.08 | 162.96 |
Jan-2018 | 162.89 | 164.97 |
Dec-2017 | 159.82 | 161.09 |
Nov-2017 | 159.25 | 159.96 |
Oct-2017 | 159.59 | 158.51 |
Sep-2017 | 160.98 | 159.93 |
Aug-2017 | 159.71 | 160.6 |
Jul-2017 | 157.03 | 158.89 |
Jun-2017 | 154.66 | 156.15 |
May-2017 | 153.18 | 154.57 |
Apr-2017 | 150.44 | 151.96 |
Mar-2017 | 150.14 | 150.23 |
Feb-2017 | 149.77 | 149.44 |
Jan-2017 | 149.75 | 150.66 |
Dec-2016 | 149.22 | 149.27 |
Nov-2016 | 151.52 | 149.86 |
Oct-2016 | 153.37 | 152.51 |
Sep-2016 | 154.95 | 154.73 |
Aug-2016 | 154.96 | 154.47 |
Jul-2016 | 153.62 | 153.8 |
Jun-2016 | 155.18 | 154.42 |
May-2016 | 155.9 | 154.48 |
Apr-2016 | 156.06 | 156.34 |
Mar-2016 | 154.18 | 156.37 |
Feb-2016 | 154.02 | 152.21 |
Jan-2016 | 152.17 | 152.45 |
Dec-2015 | 152.09 | 152.44 |
Nov-2015 | 151.17 | 149.77 |
Oct-2015 | 155.29 | 153.39 |
Sep-2015 | 155.43 | 155.41 |
Aug-2015 | 154.72 | 155.24 |
Jul-2015 | 153.71 | 153.06 |
Jun-2015 | 155.5 | 155.43 |
May-2015 | 155.03 | 153.43 |
Apr-2015 | 151.95 | 155.29 |
Mar-2015 | 152.27 | 151.44 |
Feb-2015 | 158.15 | 156.78 |
Jan-2015 | 160.75 | 157.38 |
Dec-2014 | 168.86 | 166.95 |
Nov-2014 | 170.39 | 170.1 |
Oct-2014 | 172.61 | 171.5 |
Sep-2014 | 175.22 | 171.36 |
Aug-2014 | 179.71 | 178.45 |
Jul-2014 | 182.5 | 180.29 |
Jun-2014 | 182.77 | 183.08 |
May-2014 | 184.45 | 182.8 |
Apr-2014 | 185.35 | 185.75 |
Mar-2014 | 185.44 | 185.04 |
Feb-2014 | 183.46 | 185.28 |
Jan-2014 | 182.99 | 182.08 |
Dec-2013 | 183.64 | 184.42 |
Nov-2013 | 181.66 | 183.23 |
Oct-2013 | 183.22 | 183.15 |
Sep-2013 | 179.99 | 181.47 |
Aug-2013 | 179.55 | 178.88 |
Jul-2013 | 177.16 | 178.68 |
Jun-2013 | 178.25 | 176.89 |
May-2013 | 175.94 | 176.42 |
Apr-2013 | 176.51 | 177.06 |
Mar-2013 | 175.91 | 174.26 |
Feb-2013 | 180.35 | 177.71 |
Jan-2013 | 179.47 | 182.53 |
Dec-2012 | 177.55 | 178.38 |
Nov-2012 | 174.45 | 176.07 |
Oct-2012 | 176 | 176.14 |
Sep-2012 | 174.6 | 175.82 |
Aug-2012 | 169.75 | 171.31 |
Jul-2012 | 168.5 | 168.43 |
Jun-2012 | 171.13 | 171.67 |
May-2012 | 174.12 | 169.46 |
Apr-2012 | 178.17 | 178.76 |
Mar-2012 | 178.57 | 180.08 |
Feb-2012 | 178.84 | 181.26 |
Jan-2012 | 175.21 | 178.35 |
Dec-2011 | 178.01 | 175.23 |
Nov-2011 | 182.13 | 179.52 |
Oct-2011 | 184.13 | 187.53 |
Sep-2011 | 184.45 | 182.06 |
Aug-2011 | 191 | 192.71 |
Jul-2011 | 190.26 | 190.36 |
Jun-2011 | 191.57 | 192.43 |
May-2011 | 190.98 | 191.57 |
Apr-2011 | 192.16 | 196.7 |
Mar-2011 | 187.21 | 189.62 |
Feb-2011 | 183.61 | 185.47 |
Jan-2011 | 180.28 | 182.89 |
Dec-2010 | 178.75 | 179.1 |
Nov-2010 | 183.74 | 176.67 |
Oct-2010 | 186.05 | 185.05 |
Sep-2010 | 177.19 | 183.53 |
Aug-2010 | 175.19 | 172.86 |
Jul-2010 | 173.63 | 176.79 |
Jun-2010 | 167.39 | 167.98 |
May-2010 | 171.54 | 168.33 |
Apr-2010 | 180.78 | 179.6 |
Mar-2010 | 182.76 | 181.38 |
Feb-2010 | 183.87 | 181.69 |
Jan-2010 | 190.32 | 187 |
Dec-2009 | 194.2 | 190.77 |
Nov-2009 | 197.31 | 198.51 |
Oct-2009 | 196.24 | 196.38 |
Sep-2009 | 193.33 | 194.71 |
Aug-2009 | 189.99 | 190.01 |
Jul-2009 | 188.05 | 188.4 |
Jun-2009 | 187.43 | 188.41 |
May-2009 | 183.27 | 187.59 |
Apr-2009 | 178.77 | 179.45 |
Mar-2009 | 177.46 | 180 |
Feb-2009 | 174.2 | 172.63 |
Jan-2009 | 178.95 | 174.8 |
Dec-2008 | 182.21 | 189.19 |
Nov-2008 | 173.58 | 174.87 |
Oct-2008 | 179.25 | 173.54 |
Sep-2008 | 191.45 | 191.25 |
Aug-2008 | 198.35 | 195.59 |
Jul-2008 | 206.92 | 205.22 |
Jun-2008 | 204.62 | 207.19 |
May-2008 | 204.75 | 203.82 |
Apr-2008 | 207.1 | 204.61 |
Mar-2008 | 204.47 | 207.55 |
Feb-2008 | 195.7 | 200.56 |
Jan-2008 | 195.22 | 196.97 |
Dec-2007 | 193.85 | 194.77 |
Nov-2007 | 194.77 | 195.79 |
Oct-2007 | 189.84 | 192.5 |
Sep-2007 | 186.11 | 189.16 |
Aug-2007 | 183.27 | 183.72 |
Jul-2007 | 184.22 | 184.12 |
Jun-2007 | 181.01 | 181.53 |
May-2007 | 181.87 | 181.07 |
Apr-2007 | 181.96 | 182.94 |
Mar-2007 | 178.97 | 179.56 |
Feb-2007 | 177.04 | 178.46 |
Jan-2007 | 176.34 | 175.6 |
Dec-2006 | 178.54 | 177.83 |
Nov-2006 | 174.88 | 178.5 |
Oct-2006 | 172.12 | 172.83 |
Sep-2006 | 173.4 | 172.73 |
Aug-2006 | 174.31 | 174.87 |
Jul-2006 | 172.76 | 172.75 |
Jun-2006 | 172.48 | 172.99 |
May-2006 | 173.91 | 174.83 |
Apr-2006 | 168.16 | 171.36 |
Mar-2006 | 165.37 | 166.22 |
Feb-2006 | 164.93 | 164.27 |
Jan-2006 | 166.78 | 166.88 |
Dec-2005 | 163.64 | 162.99 |
Nov-2005 | 162.54 | 162.51 |
Oct-2005 | 165.54 | 165.87 |
Sep-2005 | 168 | 165.44 |
Aug-2005 | 168.42 | 167.33 |
Jul-2005 | 165.63 | 165.85 |
Jun-2005 | 166.76 | 166.01 |
May-2005 | 172.64 | 168.61 |
Apr-2005 | 175.77 | 175.43 |
Mar-2005 | 178.8 | 176.25 |
Feb-2005 | 177.09 | 178.66 |
Jan-2005 | 178.04 | 176.99 |
Dec-2004 | 180.91 | 183.03 |
Nov-2004 | 176.15 | 179.55 |
Oct-2004 | 170.59 | 173.47 |
Sep-2004 | 167.48 | 168.82 |
Aug-2004 | 167.17 | 166.57 |
Jul-2004 | 168.16 | 165.87 |
Jun-2004 | 166.65 | 166.92 |
May-2004 | 165.15 | 167.2 |
Apr-2004 | 165.1 | 164.59 |
Mar-2004 | 168.44 | 167.53 |
Feb-2004 | 171.62 | 170.15 |
Jan-2004 | 171.99 | 171.99 |
Dec-2003 | 167.9 | 170.35 |
Nov-2003 | 161.46 | 164.26 |
Oct-2003 | 162.22 | 160.84 |
Sep-2003 | 156.49 | 160.77 |
Aug-2003 | 155.64 | 152.55 |
Jul-2003 | 158.11 | 157.13 |
Jun-2003 | 161.41 | 158.72 |
May-2003 | 160.53 | 163.36 |
Apr-2003 | 152.03 | 155.43 |
Mar-2003 | 151.72 | 152.67 |
Feb-2003 | 151.62 | 151.4 |
Jan-2003 | 149.88 | 152.05 |
Dec-2002 | 145.19 | 147.82 |
Nov-2002 | 143.18 | 142.03 |
Oct-2002 | 140.93 | 141.17 |
Sep-2002 | 141 | 141.44 |
Aug-2002 | 140.5 | 141.48 |
Jul-2002 | 142.12 | 140.59 |
Jun-2002 | 138.09 | 142.12 |
May-2002 | 133.98 | 136.31 |
Apr-2002 | 130.47 | 132.17 |
Mar-2002 | 129.27 | 128.93 |
Feb-2002 | 128.59 | 128.23 |
Jan-2002 | 130.15 | 127.78 |
Dec-2001 | 131.02 | 130.19 |
Nov-2001 | 130.69 | 130.59 |
Oct-2001 | 132.7 | 132.49 |
Sep-2001 | 133.26 | 133.88 |
Aug-2001 | 132.04 | 133.73 |
Jul-2001 | 127.64 | 129.34 |
Jun-2001 | 126.98 | 126.21 |
May-2001 | 129.36 | 126.56 |
Apr-2001 | 136.48 | 130.76 |
Mar-2001 | 139.44 | 136.96 |
Feb-2001 | 140.92 | 141.18 |
Jan-2001 | 142.39 | 141.74 |
Dec-2000 | 138.96 | 142.01 |
Nov-2000 | 135.91 | 136.77 |
Oct-2000 | 136.11 | 134.81 |
Sep-2000 | 137.45 | 138.37 |
Aug-2000 | 140.14 | 139.4 |
Jul-2000 | 143.3 | 141.65 |
Jun-2000 | 143.98 | 145.07 |
May-2000 | 141.02 | 142.26 |
Apr-2000 | 144.53 | 141.87 |
Mar-2000 | 145.72 | 145.21 |
Feb-2000 | 147.2 | 146.26 |
Jan-2000 | 150.21 | 147.14 |
Dec-1999 | 150.25 | 150.28 |
Nov-1999 | 151.85 | 149.85 |
Oct-1999 | 155.11 | 152.8 |
Sep-1999 | 153.22 | 154.79 |
Aug-1999 | 153.57 | 153.41 |
Jul-1999 | 150.83 | 154.46 |
Jun-1999 | 151.02 | 150.66 |
May-1999 | 153.11 | 151.72 |
Apr-1999 | 153.82 | 153.19 |
Mar-1999 | 155.55 | 154.05 |
Feb-1999 | 158.2 | 156.2 |
Jan-1999 | 161.73 | 159.45 |
Dec-1998 | 162.85 | 162.96 |
Nov-1998 | 161.91 | 160.16 |
Oct-1998 | 165.25 | 163.8 |
Sep-1998 | 161.07 | 163.04 |
Aug-1998 | 155.62 | 156.68 |
Jul-1998 | 155.41 | 156.01 |
Jun-1998 | 156.07 | 155.05 |
May-1998 | 157.07 | 156.27 |
Apr-1998 | 155.32 | 156.21 |
Mar-1998 | 154.69 | 153.39 |
Feb-1998 | 155.41 | 155.54 |
Jan-1998 | 155.53 | 155.95 |
Dec-1997 | 158.36 | 157.34 |
Nov-1997 | 161.5 | 159.32 |
Oct-1997 | 159.58 | 161.68 |
Sep-1997 | 157.49 | 158.5 |
Aug-1997 | 154.43 | 157.54 |
Jul-1997 | 158.52 | 155.42 |
Jun-1997 | 162.28 | 161.83 |
May-1997 | 164.11 | 163.89 |
Apr-1997 | 165 | 162.45 |
Mar-1997 | 165.33 | 165.21 |
Feb-1997 | 166.26 | 165.04 |
Jan-1997 | 172.26 | 168.74 |
Dec-1996 | 176.22 | 176.4 |
Nov-1996 | 179.5 | 177.81 |
Oct-1996 | 177.53 | 179.4 |
Sep-1996 | 179.04 | 177.67 |
Aug-1996 | 181 | 180.95 |
Jul-1996 | 180.36 | 181.75 |
Jun-1996 | 179.15 | 179.85 |
May-1996 | 179.56 | 179.3 |
Apr-1996 | 182.14 | 179.78 |
Mar-1996 | 184.06 | 184.28 |
Feb-1996 | 185.05 | 186.5 |
Jan-1996 | 186.17 | 183.49 |
Dec-1995 | 188.28 | 189.68 |
Nov-1995 | 190.83 | 188.96 |
Oct-1995 | 190.86 | 191.25 |
Sep-1995 | 187.93 | 190.75 |
Aug-1995 | 190.08 | 186.67 |
Jul-1995 | 194.94 | 195.96 |
Jun-1995 | 193.61 | 194.28 |
May-1995 | 192.26 | 194.3 |
Apr-1995 | 196.56 | 195.51 |
Mar-1995 | 194.13 | 195.5 |
Feb-1995 | 187.77 | 189.59 |
Jan-1995 | 186 | 188.31 |
Dec-1994 | 183.61 | 184.81 |
Nov-1994 | 188.47 | 185.14 |
Oct-1994 | 190.9 | 191.15 |
Sep-1994 | 188.22 | 188.17 |
Aug-1994 | 187.36 | 188.64 |
Jul-1994 | 187.37 | 187.02 |
Jun-1994 | 182.72 | 188.02 |
May-1994 | 181.38 | 182.03 |
Apr-1994 | 178.64 | 180.12 |
Mar-1994 | 179.71 | 181.1 |
Feb-1994 | 177.56 | 178.29 |
Jan-1994 | 177.6 | 177.29 |
Dec-1993 | 179.5 | 179.58 |
Nov-1993 | 179.91 | 178.69 |
Oct-1993 | 185.08 | 180.92 |
Sep-1993 | 185.22 | 187.09 |
Aug-1993 | 179.61 | 178.96 |
Jul-1993 | 184.19 | 182.63 |
Jun-1993 | 191.72 | 190.77 |
May-1993 | 193.38 | 193.08 |
Apr-1993 | 190.81 | 194.15 |
Mar-1993 | 189.81 | 187.34 |
Feb-1993 | 202.23 | 190.9 |
Jan-1993 | 208.65 | 207.91 |
Dec-1992 | 212.52 | 211.16 |
Nov-1992 | 243.87 | 215.15 |
Oct-1992 | 285.99 | 251.89 |
Sep-1992 | 322.04 | 308.75 |
Aug-1992 | 290.77 | 291.72 |
Jul-1992 | 223.46 | 264.25 |
Jun-1992 | 202.1 | 201.47 |
May-1992 | 186.41 | 195 |
Apr-1992 | 165.64 | 184.06 |
Mar-1992 | 135.03 | 146.52 |
Feb-1992 | 110.25 | 125.03 |
Jan-1992 | 107.2 | 103.6 |
Dec-1991 | 104.5 | 108.55 |
Nov-1991 | 102.28 | 104.21 |
Oct-1991 | 105.79 | 99.48 |
Sep-1991 | 110.24 | 110.2 |
Aug-1991 | 110.31 | 110.31 |
Jul-1991 | 111.02 | 110.31 |
Jun-1991 | 109.77 | 111.8 |
May-1991 | 103.18 | 102.42 |
Apr-1991 | 108.21 | 104.32 |
Mar-1991 | 119.25 | 109.56 |
Feb-1991 | 136.58 | 133.22 |
Jan-1991 | 120.28 | 139.93 |
Dec-1990 | 99.38 | 105.24 |
Nov-1990 | 88.64 | 88.52 |
Oct-1990 | 106.97 | 85.7 |
Sep-1990 | 131 | 112.52 |
Aug-1990 | 92.21 | 122.26 |
Jul-1990 | 76.93 | 78.97 |
Jun-1990 | 78.5 | 75.36 |
May-1990 | 79.11 | 77.76 |
Apr-1990 | 72.82 | 75.65 |
Mar-1990 | 69.27 | 70.79 |
Feb-1990 | 69.25 | 69.66 |
Jan-1990 | 65.07 | 65.41 |
Dec-1989 | 56.66 | 60.33 |
Nov-1989 | 52.24 | 53.41 |
Oct-1989 | 54.84 | 53.24 |
Sep-1989 | 60.83 | 56.38 |
Aug-1989 | 64.63 | 64.45 |
Jul-1989 | 61.84 | 62.04 |
Jun-1989 | 61.09 | 61.47 |
May-1989 | 60.95 | 61.2 |
Apr-1989 | 62.52 | 61.44 |
Mar-1989 | 56.87 | 59.63 |
Feb-1989 | 61.96 | 55.29 |
Jan-1989 | 64.8 | 63.41 |
Dec-1988 | 63.36 | 65.01 |
Nov-1988 | 62.39 | 60.83 |
Oct-1988 | 53.86 | 58.86 |
Sep-1988 | 46.87 | 48.51 |
Aug-1988 | 43.02 | 50.26 |
Jul-1988 | 42.67 | 41.95 |
Jun-1988 | 44.06 | 43.19 |
May-1988 | 46.73 | 45.6 |
Apr-1988 | 47.11 | 46.48 |
Mar-1988 | 45.43 | 45.1 |
Feb-1988 | 48.13 | 45.91 |
Jan-1988 | 59.49 | 54.62 |
Dec-1987 | 60.48 | 58.18 |
Nov-1987 | 61.61 | 65.33 |
Oct-1987 | 46.95 | 60.53 |
Sep-1987 | 32.82 | 34.92 |
Aug-1987 | 27.16 | 31.65 |
Jul-1987 | 20.03 | 21.56 |
Jun-1987 | 16.18 | 17.03 |
May-1987 | 14.31 | 14.61 |
Apr-1987 | 13.97 | 14.13 |
Mar-1987 | 13.57 | 13.5 |
Feb-1987 | 0 | 0 |
Jan-1987 | 0 | 0 |
Dec-1986 | 7.9 | 9.99 |
Nov-1986 | 6.68 | 7.54 |
Oct-1986 | 5.33 | 5.72 |
Sep-1986 | 4.91 | 5.07 |
Aug-1986 | 4.84 | 4.55 |
Jul-1986 | 4.75 | 5.08 |
Jun-1986 | 4.38 | 4.61 |
May-1986 | 3.1 | 3.45 |
Apr-1986 | 2.58 | 2.84 |
Mar-1986 | 2.13 | 2.41 |
Feb-1986 | 2.32 | 2.14 |
Jan-1986 | 2.11 | 2.55 |
Dec-1985 | 1.86 | 1.88 |
Nov-1985 | 1.77 | 1.78 |
Oct-1985 | 1.8 | 1.69 |
Sep-1985 | 1.79 | 1.85 |
Aug-1985 | 1.69 | 1.8 |
Jul-1985 | 1.55 | 1.56 |
Jun-1985 | 1.5 | 1.5 |
May-1985 | 1.58 | 1.51 |
Apr-1985 | 1.77 | 1.69 |
Mar-1985 | 1.77 | 1.82 |
Feb-1985 | 1.43 | 1.6 |
Jan-1985 | 1.05 | 1.21 |
Dec-1984 | 0.91 | 0.93 |
Nov-1984 | 0.82 | 0.83 |
Oct-1984 | 0.83 | 0.81 |
Sep-1984 | 0.75 | 0.78 |
Aug-1984 | 0.7 | 0.74 |
Jul-1984 | 0.66 | 0.67 |
Jun-1984 | 0.69 | 0.68 |
May-1984 | 0.67 | 0.68 |
Apr-1984 | 0.67 | 0.67 |
Mar-1984 | 0.69 | 0.65 |
Feb-1984 | 0.75 | 0.73 |
Jan-1984 | 0.69 | 0.71 |
Dec-1983 | 0.67 | 0.68 |
Nov-1983 | 0.66 | 0.66 |
Oct-1983 | 0.65 | 0.65 |
Sep-1983 | 0.62 | 0.62 |
Aug-1983 | 0.64 | 0.61 |
Jul-1983 | 0.63 | 0.65 |
Jun-1983 | 0.62 | 0.62 |
May-1983 | 0.63 | 0.63 |
Apr-1983 | 0.63 | 0.63 |
Mar-1983 | 0.65 | 0.63 |
Feb-1983 | 0.63 | 0.63 |
Jan-1983 | 0.61 | 0.62 |
Dec-1982 | 0.62 | 0.61 |
Nov-1982 | 0.68 | 0.64 |
Oct-1982 | 0.68 | 0.67 |
Sep-1982 | 0.76 | 0.67 |
Aug-1982 | 0.82 | 0.76 |
Jul-1982 | 0.83 | 0.83 |
Jun-1982 | 0.84 | 0.83 |
May-1982 | 0.86 | 0.86 |
Apr-1982 | 0.84 | 0.85 |
Mar-1982 | 0.83 | 0.84 |
Feb-1982 | 0.85 | 0.85 |
Jan-1982 | 0.87 | 0.86 |
Dec-1981 | 0.87 | 0.87 |
Nov-1981 | 0.87 | 0.87 |
Oct-1981 | 0.87 | 0.85 |
Sep-1981 | 0.86 | 0.87 |
Aug-1981 | 0.82 | 0.84 |
Jul-1981 | 0.79 | 0.8 |
Jun-1981 | 0.8 | 0.79 |
May-1981 | 0.81 | 0.8 |
Apr-1981 | 0.82 | 0.81 |
Mar-1981 | 0.84 | 0.83 |
Feb-1981 | 0.82 | 0.83 |
Jan-1981 | 0.84 | 0.83 |
Dec-1980 | 0.85 | 0.84 |
Nov-1980 | 0.85 | 0.86 |
Oct-1980 | 0.87 | 0.85 |
Sep-1980 | 0.88 | 0.87 |
Aug-1980 | 0.89 | 0.89 |
Jul-1980 | 0.9 | 0.89 |
Jun-1980 | 0.89 | 0.9 |
May-1980 | 0.88 | 0.88 |
Apr-1980 | 0.86 | 0.88 |
Mar-1980 | 0.86 | 0.84 |
Feb-1980 | 0.87 | 0.87 |
Jan-1980 | 0.87 | 0.87 |
Dec-1979 | 0.9 | 0.87 |
Nov-1979 | 0.89 | 0.91 |
Oct-1979 | 0.86 | 0.86 |
Sep-1979 | 0.85 | 0.87 |
Aug-1979 | 0.84 | 0.84 |
Jul-1979 | 0.84 | 0.84 |
Jun-1979 | 0.82 | 0.83 |
May-1979 | 0.81 | 0.83 |
Apr-1979 | 0.8 | 0.81 |
Mar-1979 | 0.8 | 0.8 |
Feb-1979 | 0.8 | 0.8 |
Jan-1979 | 0.78 | 0.79 |
Dec-1978 | 0.76 | 0.77 |
Nov-1978 | 0.74 | 0.75 |
Oct-1978 | 0.76 | 0.78 |
Sep-1978 | 0.73 | 0.74 |
Aug-1978 | 0.72 | 0.73 |
Jul-1978 | 0.68 | 0.72 |
Jun-1978 | 0.68 | 0.69 |
May-1978 | 0.68 | 0.68 |
Apr-1978 | 0.69 | 0.69 |
Mar-1978 | 0.69 | 0.69 |
Feb-1978 | 0.68 | 0.69 |
Jan-1978 | 0.69 | 0.69 |
Dec-1977 | 0.69 | 0.69 |
Nov-1977 | 0.69 | 0.69 |
Oct-1977 | 0.69 | 0.69 |
Sep-1977 | 0.68 | 0.68 |
Aug-1977 | 0.68 | 0.68 |
Jul-1977 | 0.69 | 0.69 |
Jun-1977 | 0.68 | 0.69 |
May-1977 | 0.68 | 0.68 |
Apr-1977 | 0.68 | 0.68 |
Mar-1977 | 0.67 | 0.67 |
Feb-1977 | 0.68 | 0.67 |
Jan-1977 | 0.67 | 0.67 |
Dec-1976 | 0.64 | 0.65 |
Nov-1976 | 0.63 | 0.61 |
Oct-1976 | 0.7 | 0.66 |
Sep-1976 | 0.74 | 0.74 |
Aug-1976 | 0.73 | 0.74 |
Jul-1976 | 0.7 | 0.71 |
Jun-1976 | 0.68 | 0.7 |
May-1976 | 0.63 | 0.65 |
Apr-1976 | 0.6 | 0.6 |
Mar-1976 | 0.58 | 0.59 |
Feb-1976 | 0.58 | 0.57 |
Jan-1976 | 0.58 | 0.58 |
Dec-1975 | 0.58 | 0.58 |
Nov-1975 | 0.58 | 0.58 |
Oct-1975 | 0.57 | 0.58 |
Sep-1975 | 0.55 | 0.56 |
Aug-1975 | 0.55 | 0.55 |
Jul-1975 | 0.57 | 0.56 |
Jun-1975 | 0.58 | 0.58 |
May-1975 | 0.58 | 0.58 |
Apr-1975 | 0.56 | 0.56 |
Mar-1975 | 0.56 | 0.56 |
Feb-1975 | 0.58 | 0.56 |
Jan-1975 | 0.57 | 0.56 |
Dec-1974 | 0.55 | 0.55 |
Nov-1974 | 0.55 | 0.54 |
Oct-1974 | 0.51 | 0.53 |
Sep-1974 | 0.51 | 0.52 |
Aug-1974 | 0.52 | 0.53 |
Jul-1974 | 0.52 | 0.53 |
Jun-1974 | 0.53 | 0.53 |
May-1974 | 0.54 | 0.53 |
Apr-1974 | 0.52 | 0.54 |
Mar-1974 | 0.54 | 0.54 |
Feb-1974 | 0.54 | 0.54 |
Jan-1974 | 0.55 | 0.54 |
Dec-1973 | 0.6 | 0.59 |
Nov-1973 | 0.62 | 0.63 |
Oct-1973 | 0.64 | 0.65 |
Sep-1973 | 0.64 | 0.64 |
Aug-1973 | 0.64 | 0.63 |
Jul-1973 | 0.62 | 0.63 |
Jun-1973 | 0.63 | 0.62 |
May-1973 | 0.62 | 0.61 |
Apr-1973 | 0.64 | 0.63 |
Mar-1973 | 0.65 | 0.65 |
Feb-1973 | 0.67 | 0.67 |
Jan-1973 | 0.65 | 0.66 |
Dec-1972 | 0.66 | 0.65 |
Nov-1972 | 0.66 | 0.66 |
Oct-1972 | 0.66 | 0.66 |
Sep-1972 | 0.66 | 0.66 |
Aug-1972 | 0.64 | 0.66 |
Jul-1972 | 0.66 | 0.65 |
Jun-1972 | 0.67 | 0.66 |
May-1972 | 0.67 | 0.67 |
Apr-1972 | 0.67 | 0.67 |
Mar-1972 | 0.68 | 0.67 |
Feb-1972 | 0.68 | 0.68 |
Jan-1972 | 0.67 | 0.67 |
Dec-1971 | 0.64 | 0.66 |
Nov-1971 | 0.63 | 0.63 |
Oct-1971 | 0.63 | 0.63 |
Sep-1971 | 0.63 | 0.63 |
Aug-1971 | 0.64 | 0.64 |
Jul-1971 | 0.65 | 0.65 |
Jun-1971 | 0.65 | 0.65 |
May-1971 | 0.65 | 0.65 |
Apr-1971 | 0.65 | 0.65 |
Mar-1971 | 0.64 | 0.65 |
Feb-1971 | 0.64 | 0.65 |
Jan-1971 | 0.64 | 0.65 |
Dec-1970 | 0.64 | 0.65 |
Nov-1970 | 0.64 | 0.64 |
Oct-1970 | 0.64 | 0.64 |
Sep-1970 | 0.65 | 0.65 |
Aug-1970 | 0.65 | 0.65 |
Jul-1970 | 0.65 | 0.65 |
Jun-1970 | 0.65 | 0.65 |
May-1970 | 0.65 | 0.65 |
Apr-1970 | 0.65 | 0.65 |
Mar-1970 | 0.65 | 0.65 |
Feb-1970 | 0.65 | 0.65 |
Jan-1970 | 0.65 | 0.65 |
Dec-1969 | 0.64 | 0.64 |
Nov-1969 | 0.64 | 0.64 |
Oct-1969 | 0.64 | 0.64 |
Sep-1969 | 0.65 | 0.64 |
Aug-1969 | 0.64 | 0.65 |
Jul-1969 | 0.64 | 0.64 |
Jun-1969 | 0.65 | 0.64 |
May-1969 | 0.66 | 0.65 |
Apr-1969 | 0.65 | 0.65 |
Mar-1969 | 0.64 | 0.64 |
Feb-1969 | 0.64 | 0.64 |
Jan-1969 | 0.63 | 0.63 |
Dec-1968 | 0.63 | 0.63 |
Nov-1968 | 0.63 | 0.63 |
Oct-1968 | 0.63 | 0.62 |
Sep-1968 | 0.63 | 0.62 |
Aug-1968 | 0.63 | 0.62 |
Jul-1968 | 0.63 | 0.62 |
Jun-1968 | 0.62 | 0.62 |
May-1968 | 0.62 | 0.62 |
Apr-1968 | 0.62 | 0.62 |
Mar-1968 | 0.62 | 0.62 |
Feb-1968 | 0.62 | 0.62 |
Jan-1968 | 0.62 | 0.62 |
Dec-1967 | 0.62 | 0.62 |
Nov-1967 | 0.63 | 0.63 |
Oct-1967 | 0.64 | 0.64 |
Sep-1967 | 0.64 | 0.64 |
Aug-1967 | 0.64 | 0.64 |
Jul-1967 | 0.64 | 0.64 |
Jun-1967 | 0.64 | 0.64 |
May-1967 | 0.63 | 0.64 |
Apr-1967 | 0.63 | 0.63 |
Mar-1967 | 0.63 | 0.63 |
Feb-1967 | 0.63 | 0.63 |
Jan-1967 | 0.63 | 0.63 |
Dec-1966 | 0.63 | 0.62 |
Nov-1966 | 0.63 | 0.63 |
Oct-1966 | 0.62 | 0.63 |
Sep-1966 | 0.63 | 0.63 |
Aug-1966 | 0.62 | 0.63 |
Jul-1966 | 0.62 | 0.62 |
Jun-1966 | 0.62 | 0.62 |
May-1966 | 0.61 | 0.62 |
Apr-1966 | 0.61 | 0.62 |
Mar-1966 | 0.61 | 0.62 |
Feb-1966 | 0.61 | 0.62 |
Jan-1966 | 0.61 | 0.61 |
Dec-1965 | 0.61 | 0.61 |
Nov-1965 | 0.61 | 0.61 |
Oct-1965 | 0.61 | 0.61 |
Sep-1965 | 0.61 | 0.61 |
Aug-1965 | 0.61 | 0.61 |
Jul-1965 | 0.6 | 0.61 |
Jun-1965 | 0.61 | 0.61 |
May-1965 | 0.61 | 0.61 |
Apr-1965 | 0.61 | 0.61 |
Mar-1965 | 0.61 | 0.61 |
Feb-1965 | 0.61 | 0.61 |
Jan-1965 | 0.61 | 0.61 |
Dec-1964 | 0.61 | 0.61 |
Nov-1964 | 0.61 | 0.61 |
Oct-1964 | 0.6 | 0.61 |
Sep-1964 | 0.61 | 0.61 |
Aug-1964 | 0.6 | 0.61 |
Jul-1964 | 0.6 | 0.61 |
Jun-1964 | 0.61 | 0.61 |
May-1964 | 0.61 | 0.61 |
Apr-1964 | 0.61 | 0.61 |
Mar-1964 | 0.61 | 0.61 |
Feb-1964 | 0.61 | 0.62 |
Jan-1964 | 0.61 | 0.62 |