
Data Series
Period | Period Average | End of Period |
Jun-2022 | 88.59 | 90.35 |
May-2022 | 95.91 | 91.81 |
Apr-2022 | 102.42 | 101.67 |
Mar-2022 | 103.19 | 102.84 |
Feb-2022 | 110.21 | 109.05 |
Jan-2022 | 111.32 | 112.36 |
Dec-2021 | 111.29 | 123.05 |
Nov-2021 | 142.9 | 116.29 |
Oct-2021 | 163.91 | 157 |
Sep-2021 | 176.15 | 169.37 |
Aug-2021 | 178.1 | 181.12 |
Jul-2021 | 175.13 | 179.2 |
Jun-2021 | 175.01 | 173.3 |
May-2021 | 180.01 | 177.53 |
Apr-2021 | 184.65 | 184.57 |
Mar-2021 | 196.9 | 181.16 |
Feb-2021 | 212.85 | 204.78 |
Jan-2021 | 203.83 | 205.6 |
Dec-2020 | 195.11 | 205.29 |
Nov-2020 | 188.76 | 193.63 |
Oct-2020 | 190.14 | 180.57 |
Sep-2020 | 199.46 | 193.96 |
Aug-2020 | 206.17 | 205.24 |
Jul-2020 | 219.56 | 216.5 |
Jun-2020 | 220.96 | 219.91 |
May-2020 | 217.03 | 220.97 |
Apr-2020 | 219.94 | 215.75 |
Mar-2020 | 238.42 | 228.99 |
Feb-2020 | 248.21 | 241.07 |
Jan-2020 | 254.46 | 251.9 |
Dec-2019 | 257.81 | 253.37 |
Nov-2019 | 262.73 | 262.42 |
Oct-2019 | 259.56 | 263.39 |
Sep-2019 | 264.2 | 266.73 |
Aug-2019 | 266.46 | 257.82 |
Jul-2019 | 265.9 | 272.79 |
Jun-2019 | 259.35 | 261.95 |
May-2019 | 248.78 | 255.91 |
Apr-2019 | 262.73 | 252.68 |
Mar-2019 | 276.15 | 267.28 |
Feb-2019 | 285.95 | 283.47 |
Jan-2019 | 280.53 | 290.08 |
Dec-2018 | 283.18 | 286.12 |
Nov-2018 | 281.86 | 291.37 |
Oct-2018 | 258.98 | 274.68 |
Sep-2018 | 238.81 | 252.15 |
Aug-2018 | 259 | 229.55 |
Jul-2018 | 315.91 | 307.84 |
Jun-2018 | 324.9 | 330.4 |
May-2018 | 339.8 | 334.78 |
Apr-2018 | 370.45 | 372.64 |
Mar-2018 | 387.57 | 377.72 |
Feb-2018 | 398.61 | 396.4 |
Jan-2018 | 399.53 | 401.81 |
Dec-2017 | 392.03 | 399.92 |
Nov-2017 | 388.14 | 380.76 |
Oct-2017 | 410.08 | 397.86 |
Sep-2017 | 433.43 | 424.03 |
Aug-2017 | 429.7 | 435.3 |
Jul-2017 | 422.86 | 427.6 |
Jun-2017 | 408.28 | 427.87 |
May-2017 | 422.51 | 426.88 |
Apr-2017 | 412.97 | 423.85 |
Mar-2017 | 411.02 | 414.32 |
Feb-2017 | 411.3 | 417.17 |
Jan-2017 | 400.01 | 398.7 |
Dec-2016 | 430.97 | 427.66 |
Nov-2016 | 459.6 | 440.29 |
Oct-2016 | 489.98 | 486.32 |
Sep-2016 | 508.03 | 501.65 |
Aug-2016 | 508.93 | 509.76 |
Jul-2016 | 508.39 | 499.88 |
Jun-2016 | 517.11 | 523.02 |
May-2016 | 511.52 | 510.38 |
Apr-2016 | 531.39 | 535.33 |
Mar-2016 | 521.73 | 533.76 |
Feb-2016 | 512.49 | 508.65 |
Jan-2016 | 500.58 | 508.48 |
Dec-2015 | 516.4 | 518.42 |
Nov-2015 | 524.26 | 518.5 |
Oct-2015 | 515.45 | 516.92 |
Sep-2015 | 500.5 | 497.23 |
Aug-2015 | 528.32 | 516.5 |
Jul-2015 | 557.81 | 540.5 |
Jun-2015 | 557.61 | 561.64 |
May-2015 | 569.9 | 565.35 |
Apr-2015 | 565.67 | 566.86 |
Mar-2015 | 581.19 | 576.35 |
Feb-2015 | 612.69 | 600.05 |
Jan-2015 | 645.39 | 623.97 |
Dec-2014 | 657.7 | 651.19 |
Nov-2014 | 674.3 | 681.51 |
Oct-2014 | 668.89 | 685.69 |
Sep-2014 | 682.02 | 660.6 |
Aug-2014 | 697.31 | 698.53 |
Jul-2014 | 710.67 | 706.19 |
Jun-2014 | 711.35 | 709.78 |
May-2014 | 720.39 | 720.12 |
Apr-2014 | 708.73 | 712.09 |
Mar-2014 | 680.57 | 701.49 |
Feb-2014 | 681.52 | 680.43 |
Jan-2014 | 677.17 | 664.24 |
Dec-2013 | 731.52 | 706.16 |
Nov-2013 | 744.79 | 746.1 |
Oct-2013 | 758.33 | 757.54 |
Sep-2013 | 746.65 | 739.51 |
Aug-2013 | 766.63 | 739.73 |
Jul-2013 | 780.24 | 780.36 |
Jun-2013 | 794.26 | 783.52 |
May-2013 | 823.13 | 799.52 |
Apr-2013 | 838.78 | 838.48 |
Mar-2013 | 833.22 | 831.13 |
Feb-2013 | 848.1 | 838.66 |
Jan-2013 | 850.96 | 854.79 |
Dec-2012 | 843.2 | 841.14 |
Nov-2012 | 840.92 | 844.02 |
Oct-2012 | 836.03 | 840.25 |
Sep-2012 | 835.91 | 840.77 |
Aug-2012 | 839.08 | 828.98 |
Jul-2012 | 831.66 | 839.37 |
Jun-2012 | 826.92 | 830.44 |
May-2012 | 833.81 | 816.06 |
Apr-2012 | 844.27 | 859.07 |
Mar-2012 | 842.33 | 845.25 |
Feb-2012 | 857.5 | 864.19 |
Jan-2012 | 820.53 | 852.03 |
Dec-2011 | 805.6 | 786.18 |
Nov-2011 | 831.31 | 815.66 |
Oct-2011 | 824.73 | 860.3 |
Sep-2011 | 838.22 | 811.71 |
Aug-2011 | 859.75 | 864.94 |
Jul-2011 | 910.02 | 895.99 |
Jun-2011 | 939.9 | 927.41 |
May-2011 | 956.38 | 945.67 |
Apr-2011 | 989.77 | 989.69 |
Mar-2011 | 953.26 | 975.1 |
Feb-2011 | 947.92 | 942.78 |
Jan-2011 | 963.31 | 938.08 |
Dec-2010 | 990.5 | 967.71 |
Nov-2010 | 1046.54 | 1001.79 |
Oct-2010 | 1057.96 | 1047.68 |
Sep-2010 | 1009.36 | 1039.8 |
Aug-2010 | 998.21 | 986.58 |
Jul-2010 | 979.12 | 996.96 |
Jun-2010 | 954.7 | 953.69 |
May-2010 | 974.62 | 956.96 |
Apr-2010 | 1011.25 | 1018.17 |
Mar-2010 | 982.11 | 991.52 |
Feb-2010 | 995.11 | 974.47 |
Jan-2010 | 1023.18 | 1009.58 |
Dec-2009 | 1000.67 | 996.1 |
Nov-2009 | 1011.94 | 988.27 |
Oct-2009 | 1024.26 | 1013.51 |
Sep-2009 | 1010.79 | 1017.28 |
Aug-2009 | 1013.23 | 1003.39 |
Jul-2009 | 993.14 | 1019.06 |
Jun-2009 | 974.75 | 984.39 |
May-2009 | 968.54 | 977.63 |
Apr-2009 | 935.73 | 949.07 |
Mar-2009 | 883.17 | 902.96 |
Feb-2009 | 905.09 | 890.8 |
Jan-2009 | 936.16 | 919.94 |
Dec-2008 | 974.61 | 991.12 |
Nov-2008 | 947.84 | 963.87 |
Oct-2008 | 1016.78 | 963.2 |
Sep-2008 | 1217.07 | 1199.28 |
Aug-2008 | 1278.51 | 1275.27 |
Jul-2008 | 1242.96 | 1301.48 |
Jun-2008 | 1221.58 | 1231.11 |
May-2008 | 1209.46 | 1243.09 |
Apr-2008 | 0 | 0 |
Mar-2008 | 1212.06 | 1149.1 |
Feb-2008 | 1262.33 | 1265.32 |
Jan-2008 | 1280.13 | 1282.98 |
Dec-2007 | 1279.72 | 1286.81 |
Nov-2007 | 1266.9 | 1282.76 |
Oct-2007 | 1255.62 | 1281.56 |
Sep-2007 | 1194.02 | 1244.02 |
Aug-2007 | 1147.65 | 1161.13 |
Jul-2007 | 1176.38 | 1176.63 |
Jun-2007 | 1141.96 | 1149.89 |
May-2007 | 1129.81 | 1139.63 |
Apr-2007 | 1109.15 | 1103.34 |
Mar-2007 | 1070.82 | 1086.8 |
Feb-2007 | 1079.05 | 1064.77 |
Jan-2007 | 1057.91 | 1062.52 |
Dec-2006 | 1052.68 | 1064.62 |
Nov-2006 | 1035.29 | 1039.08 |
Oct-2006 | 1018.69 | 1032.18 |
Sep-2006 | 1017.68 | 1002.33 |
Aug-2006 | 1027.51 | 1038.94 |
Jul-2006 | 967.75 | 1003.26 |
Jun-2006 | 941.94 | 961.11 |
May-2006 | 1050.91 | 959.89 |
Apr-2006 | 1129.23 | 1140.06 |
Mar-2006 | 1128.06 | 1119.15 |
Feb-2006 | 1137.27 | 1149.18 |
Jan-2006 | 1130.02 | 1136.02 |
Dec-2005 | 1115.08 | 1118.74 |
Nov-2005 | 1107.9 | 1110.17 |
Oct-2005 | 1110.2 | 1118.74 |
Sep-2005 | 1124.21 | 1114.36 |
Aug-2005 | 1121.09 | 1114.27 |
Jul-2005 | 1126.26 | 1137.74 |
Jun-2005 | 1108.28 | 1124.75 |
May-2005 | 1101.24 | 1109.68 |
Apr-2005 | 1107.84 | 1088.21 |
Mar-2005 | 1150.98 | 1113.53 |
Feb-2005 | 1148.55 | 1164.99 |
Jan-2005 | 1114.16 | 1128.37 |
Dec-2004 | 1.08 | 1.12 |
Nov-2004 | 1.04 | 1.05 |
Oct-2004 | 1.01 | 1.02 |
Sep-2004 | 1 | 1 |
Aug-2004 | 1.01 | 0.99 |
Jul-2004 | 1.04 | 1.01 |
Jun-2004 | 1.01 | 1.01 |
May-2004 | 0.99 | 1 |
Apr-2004 | 1.11 | 1.06 |
Mar-2004 | 1.14 | 1.14 |
Feb-2004 | 1.14 | 1.14 |
Jan-2004 | 1.12 | 1.13 |
Dec-2003 | 1.05 | 1.08 |
Nov-2003 | 1.02 | 1.01 |
Oct-2003 | 1.05 | 1.01 |
Sep-2003 | 1.1 | 1.09 |
Aug-2003 | 1.07 | 1.07 |
Jul-2003 | 1.07 | 1.06 |
Jun-2003 | 1.06 | 1.06 |
May-2003 | 1.02 | 1.06 |
Apr-2003 | 0.92 | 0.96 |
Mar-2003 | 0.9 | 0.88 |
Feb-2003 | 0.92 | 0.94 |
Jan-2003 | 0.91 | 0.92 |
Dec-2002 | 0.95 | 0.92 |
Nov-2002 | 0.94 | 0.97 |
Oct-2002 | 0.91 | 0.9 |
Sep-2002 | 0.91 | 0.91 |
Aug-2002 | 0.92 | 0.92 |
Jul-2002 | 0.91 | 0.89 |
Jun-2002 | 0.98 | 0.96 |
May-2002 | 1.07 | 1.04 |
Apr-2002 | 1.14 | 1.13 |
Mar-2002 | 1.11 | 1.12 |
Feb-2002 | 1.11 | 1.08 |
Jan-2002 | 1.1 | 1.14 |
Dec-2001 | 1.04 | 1.04 |
Nov-2001 | 0.99 | 1.01 |
Oct-2001 | 0.94 | 0.95 |
Sep-2001 | 1.02 | 0.99 |
Aug-2001 | 1.07 | 1.09 |
Jul-2001 | 1.14 | 1.13 |
Jun-2001 | 1.24 | 1.21 |
May-2001 | 1.32 | 1.25 |
Apr-2001 | 1.24 | 1.33 |
Mar-2001 | 1.54 | 1.37 |
Feb-2001 | 1.53 | 1.51 |
Jan-2001 | 2.25 | 2.23 |
Dec-2000 | 2.22 | 2.25 |
Nov-2000 | 2.21 | 2.21 |
Oct-2000 | 2.23 | 2.2 |
Sep-2000 | 2.27 | 2.27 |
Aug-2000 | 2.34 | 2.31 |
Jul-2000 | 2.4 | 2.37 |
Jun-2000 | 2.45 | 2.44 |
May-2000 | 2.44 | 2.45 |
Apr-2000 | 2.53 | 2.49 |
Mar-2000 | 2.6 | 2.56 |
Feb-2000 | 2.68 | 2.64 |
Jan-2000 | 2.77 | 2.7 |
Dec-1999 | 2.85 | 2.79 |
Nov-1999 | 3.02 | 2.92 |
Oct-1999 | 3.21 | 3.14 |
Sep-1999 | 3.31 | 3.27 |
Aug-1999 | 3.45 | 3.38 |
Jul-1999 | 3.53 | 3.52 |
Jun-1999 | 3.64 | 3.58 |
May-1999 | 3.8 | 3.71 |
Apr-1999 | 3.94 | 3.87 |
Mar-1999 | 4.16 | 4.04 |
Feb-1999 | 4.4 | 4.28 |
Jan-1999 | 4.66 | 4.54 |
Dec-1998 | 4.91 | 4.8 |
Nov-1998 | 5.1 | 4.96 |
Oct-1998 | 5.39 | 5.26 |
Sep-1998 | 5.47 | 5.44 |
Aug-1998 | 5.5 | 5.44 |
Jul-1998 | 5.63 | 5.6 |
Jun-1998 | 5.8 | 5.69 |
May-1998 | 5.99 | 5.9 |
Apr-1998 | 6.16 | 6.09 |
Mar-1998 | 6.44 | 6.26 |
Feb-1998 | 6.79 | 6.64 |
Jan-1998 | 7.18 | 6.98 |
Dec-1997 | 7.64 | 7.42 |
Nov-1997 | 8.13 | 7.86 |
Oct-1997 | 8.57 | 8.4 |
Sep-1997 | 8.98 | 8.8 |
Aug-1997 | 9.36 | 9.24 |
Jul-1997 | 10 | 9.64 |
Jun-1997 | 10.64 | 10.39 |
May-1997 | 11.18 | 10.97 |
Apr-1997 | 11.75 | 11.42 |
Mar-1997 | 12.36 | 12.18 |
Feb-1997 | 12.93 | 12.65 |
Jan-1997 | 13.77 | 13.37 |
Dec-1996 | 14.78 | 14.38 |
Nov-1996 | 15.7 | 15.27 |
Oct-1996 | 16.52 | 16.2 |
Sep-1996 | 17.47 | 16.98 |
Aug-1996 | 18.33 | 17.99 |
Jul-1996 | 18.9 | 18.83 |
Jun-1996 | 19.66 | 19.24 |
May-1996 | 20.47 | 20.12 |
Apr-1996 | 21.64 | 21.19 |
Mar-1996 | 23.09 | 22.35 |
Feb-1996 | 24.7 | 24.13 |
Jan-1996 | 26.22 | 25.33 |
Dec-1995 | 27.94 | 26.28 |
Nov-1995 | 30.39 | 29.27 |
Oct-1995 | 32.03 | 31.33 |
Sep-1995 | 33.64 | 32.93 |
Aug-1995 | 34.46 | 33.54 |
Jul-1995 | 36.28 | 35.84 |
Jun-1995 | 37.44 | 36.85 |
May-1995 | 37.54 | 37.96 |
Apr-1995 | 38.6 | 38.41 |
Mar-1995 | 39.05 | 38.93 |
Feb-1995 | 39.86 | 39.53 |
Jan-1995 | 40.75 | 40.53 |
Dec-1994 | 43.95 | 42.38 |
Nov-1994 | 45.54 | 45.42 |
Oct-1994 | 47.46 | 46.41 |
Sep-1994 | 49.05 | 48.87 |
Aug-1994 | 52.55 | 49.88 |
Jul-1994 | 53.11 | 53.93 |
Jun-1994 | 53.22 | 53.94 |
May-1994 | 50.08 | 53.8 |
Apr-1994 | 50.41 | 51.7 |
Mar-1994 | 73.23 | 66.48 |
Feb-1994 | 92.12 | 87.36 |
Jan-1994 | 10.65 | 9.66 |
Dec-1993 | 11.95 | 11.76 |
Nov-1993 | 12.71 | 12.4 |
Oct-1993 | 13.67 | 12.9 |
Sep-1993 | 14.6 | 14.46 |
Aug-1993 | 14.86 | 14.63 |
Jul-1993 | 15.61 | 15.36 |
Jun-1993 | 16.97 | 16.73 |
May-1993 | 17.68 | 17.34 |
Apr-1993 | 18.28 | 18.06 |
Mar-1993 | 18.9 | 18.49 |
Feb-1993 | 20 | 19.17 |
Jan-1993 | 21.18 | 20.92 |
Dec-1992 | 22.27 | 22.02 |
Nov-1992 | 25.14 | 22.61 |
Oct-1992 | 30.32 | 25.94 |
Sep-1992 | 35.28 | 33.42 |
Aug-1992 | 33.85 | 33.96 |
Jul-1992 | 26.69 | 30.77 |
Jun-1992 | 25.52 | 24.65 |
May-1992 | 24.3 | 25.04 |
Apr-1992 | 23.33 | 25.32 |
Mar-1992 | 19.72 | 21.25 |
Feb-1992 | 16.63 | 18.78 |
Jan-1992 | 16.87 | 16.07 |
Dec-1991 | 17.54 | 17.6 |
Nov-1991 | 17.82 | 17.78 |
Oct-1991 | 18.47 | 17.99 |
Sep-1991 | 19.26 | 18.83 |
Aug-1991 | 19.97 | 19.64 |
Jul-1991 | 20.56 | 20.41 |
Jun-1991 | 21.85 | 21.6 |
May-1991 | 23.19 | 22.73 |
Apr-1991 | 25.6 | 23.79 |
Mar-1991 | 28.6 | 26.4 |
Feb-1991 | 34.82 | 32.64 |
Jan-1991 | 32.69 | 36.98 |
Dec-1990 | 27.65 | 28.84 |
Nov-1990 | 25.47 | 25.01 |
Oct-1990 | 31.74 | 24.76 |
Sep-1990 | 39.8 | 33.94 |
Aug-1990 | 28.84 | 37.04 |
Jul-1990 | 24.86 | 25 |
Jun-1990 | 25.56 | 25.16 |
May-1990 | 25.12 | 24.66 |
Apr-1990 | 23.67 | 24.05 |
Mar-1990 | 23.12 | 23.62 |
Feb-1990 | 23.14 | 23.12 |
Jan-1990 | 23.47 | 23.6 |
Dec-1989 | 20.44 | 21.77 |
Nov-1989 | 18.59 | 19.27 |
Oct-1989 | 20.05 | 18.83 |
Sep-1989 | 22.98 | 20.86 |
Aug-1989 | 25.06 | 25.05 |
Jul-1989 | 23.96 | 23.95 |
Jun-1989 | 23.88 | 23.84 |
May-1989 | 24.44 | 24.23 |
Apr-1989 | 25.51 | 24.87 |
Mar-1989 | 24.23 | 24.86 |
Feb-1989 | 26.84 | 23.96 |
Jan-1989 | 28.68 | 27.63 |
Dec-1988 | 28.56 | 29.2 |
Nov-1988 | 29.71 | 28.12 |
Oct-1988 | 26.8 | 28.81 |
Sep-1988 | 25.27 | 25.14 |
Aug-1988 | 24.23 | 28.02 |
Jul-1988 | 24.78 | 24.27 |
Jun-1988 | 26.36 | 25.41 |
May-1988 | 28.56 | 27.43 |
Apr-1988 | 29.69 | 28.79 |
Mar-1988 | 30.45 | 29.7 |
Feb-1988 | 32.98 | 31.37 |
Jan-1988 | 43.38 | 38.38 |
Dec-1987 | 29.73 | 28.12 |
Nov-1987 | 26.75 | 28.82 |
Oct-1987 | 25.31 | 25.24 |
Sep-1987 | 24.36 | 28.03 |
Aug-1987 | 24.87 | 24.36 |
Jul-1987 | 26.38 | 25.43 |
Jun-1987 | 28.61 | 27.42 |
May-1987 | 29.57 | 28.82 |
Apr-1987 | 30.68 | 29.7 |
Mar-1987 | 33.95 | 32.28 |
Feb-1987 | 43.48 | 38.57 |
Jan-1987 | 11.29 | 11.57 |
Dec-1986 | 9.21 | 11.48 |
Nov-1986 | 7.95 | 8.88 |
Oct-1986 | 6.65 | 6.97 |
Sep-1986 | 6.29 | 6.42 |
Aug-1986 | 6.34 | 5.93 |
Jul-1986 | 6.33 | 6.69 |
Jun-1986 | 5.93 | 6.16 |
May-1986 | 4.24 | 4.73 |
Apr-1986 | 3.59 | 3.92 |
Mar-1986 | 3.11 | 3.39 |
Feb-1986 | 3.68 | 3.26 |
Jan-1986 | 3.46 | 4.13 |
Dec-1985 | 3.17 | 3.14 |
Nov-1985 | 3.14 | 3.08 |
Oct-1985 | 3.28 | 3.04 |
Sep-1985 | 3.37 | 3.4 |
Aug-1985 | 3.25 | 3.43 |
Jul-1985 | 2.95 | 2.99 |
Jun-1985 | 2.94 | 2.92 |
May-1985 | 3.15 | 3.01 |
Apr-1985 | 3.49 | 3.37 |
Mar-1985 | 3.6 | 3.59 |
Feb-1985 | 3.03 | 3.31 |
Jan-1985 | 2.25 | 2.58 |
Dec-1984 | 1.99 | 0 |
Nov-1984 | 1.83 | 0 |
Oct-1984 | 1.9 | 0 |
Sep-1984 | 1.75 | 0 |
Aug-1984 | 1.63 | 0 |
Jul-1984 | 1.58 | 0 |
Jun-1984 | 1.66 | 0 |
May-1984 | 1.65 | 0 |
Apr-1984 | 1.71 | 0 |
Mar-1984 | 1.76 | 0 |
Feb-1984 | 1.94 | 0 |
Jan-1984 | 1.88 | 0 |
Dec-1983 | 1.98 | 1.94 |
Nov-1983 | 2.02 | 1.96 |
Oct-1983 | 2.06 | 2.03 |
Sep-1983 | 2 | 1.97 |
Aug-1983 | 1.99 | 2 |
Jul-1983 | 1.94 | 2 |
Jun-1983 | 1.96 | 1.91 |
May-1983 | 1.98 | 1.98 |
Apr-1983 | 2 | 1.98 |
Mar-1983 | 2.1 | 2.02 |
Feb-1983 | 2.05 | 2.06 |
Jan-1983 | 2.03 | 2.05 |
Dec-1982 | 2.1 | 2.04 |
Nov-1982 | 2.35 | 2.19 |
Oct-1982 | 2.41 | 2.36 |
Sep-1982 | 2.67 | 2.38 |
Aug-1982 | 2.95 | 2.72 |
Jul-1982 | 3.09 | 3.04 |
Jun-1982 | 3.18 | 3.1 |
May-1982 | 3.3 | 3.26 |
Apr-1982 | 3.34 | 3.31 |
Mar-1982 | 3.33 | 3.34 |
Feb-1982 | 3.38 | 3.38 |
Jan-1982 | 3.43 | 3.37 |
Dec-1981 | 3.53 | 3.46 |
Nov-1981 | 3.59 | 3.56 |
Oct-1981 | 3.66 | 3.57 |
Sep-1981 | 3.8 | 3.78 |
Aug-1981 | 3.86 | 3.81 |
Jul-1981 | 3.85 | 3.81 |
Jun-1981 | 4 | 3.88 |
May-1981 | 4.1 | 4.03 |
Apr-1981 | 4.1 | 4.11 |
Mar-1981 | 4.13 | 4.11 |
Feb-1981 | 4.08 | 4.13 |
Jan-1981 | 4.14 | 4.18 |
Dec-1980 | 4.12 | 4.05 |
Nov-1980 | 4.06 | 4.08 |
Oct-1980 | 4.19 | 4.09 |
Sep-1980 | 4.25 | 4.26 |
Aug-1980 | 4.24 | 4.24 |
Jul-1980 | 4.33 | 4.34 |
Jun-1980 | 4.38 | 4.33 |
May-1980 | 4.58 | 4.55 |
Apr-1980 | 4.61 | 4.58 |
Mar-1980 | 4.8 | 4.83 |
Feb-1980 | 4.67 | 4.71 |
Jan-1980 | 7.54 | 4.65 |
Dec-1979 | 9.55 | 9.21 |
Nov-1979 | 9.64 | 9.71 |
Oct-1979 | 9.38 | 9.44 |
Sep-1979 | 9.25 | 9.29 |
Aug-1979 | 9.19 | 9.2 |
Jul-1979 | 9.18 | 9.19 |
Jun-1979 | 10.19 | 9.19 |
May-1979 | 12.14 | 12.39 |
Apr-1979 | 12.08 | 11.98 |
Mar-1979 | 12.45 | 12.55 |
Feb-1979 | 12.51 | 12.5 |
Jan-1979 | 12.11 | 12.4 |
Dec-1978 | 12 | 11.9 |
Nov-1978 | 11.85 | 11.99 |
Oct-1978 | 11.75 | 11.54 |
Sep-1978 | 11.72 | 11.74 |
Aug-1978 | 11.66 | 11.69 |
Jul-1978 | 11.55 | 11.63 |
Jun-1978 | 11.48 | 11.46 |
May-1978 | 11.59 | 11.49 |
Apr-1978 | 11.63 | 11.61 |
Mar-1978 | 11.64 | 11.59 |
Feb-1978 | 15.25 | 15.14 |
Jan-1978 | 15.37 | 15.28 |
Dec-1977 | 15.67 | 15.43 |
Nov-1977 | 15.81 | 15.81 |
Oct-1977 | 15.93 | 15.86 |
Sep-1977 | 17 | 15.95 |
Aug-1977 | 17.65 | 17.65 |
Jul-1977 | 17.64 | 17.76 |
Jun-1977 | 17.37 | 17.41 |
May-1977 | 17.3 | 17.33 |
Apr-1977 | 17.2 | 17.22 |
Mar-1977 | 17.2 | 17.19 |
Feb-1977 | 18.31 | 18.2 |
Jan-1977 | 17.98 | 18.2 |
Dec-1976 | 17.37 | 17.58 |
Nov-1976 | 17.04 | 16.62 |
Oct-1976 | 19.07 | 17.88 |
Sep-1976 | 20.48 | 20.48 |
Aug-1976 | 20.33 | 20.48 |
Jul-1976 | 19.49 | 19.8 |
Jun-1976 | 18.56 | 19.18 |
May-1976 | 17.17 | 17.95 |
Apr-1976 | 16.27 | 16.4 |
Mar-1976 | 16.35 | 16.61 |
Feb-1976 | 16.13 | 16.09 |
Jan-1976 | 16.11 | 16.17 |
Dec-1975 | 16.01 | 16.04 |
Nov-1975 | 15.78 | 15.97 |
Oct-1975 | 15.79 | 15.58 |
Sep-1975 | 15.43 | 15.77 |
Aug-1975 | 15.63 | 15.1 |
Jul-1975 | 15.81 | 15.85 |
Jun-1975 | 15.75 | 15.73 |
May-1975 | 15.76 | 15.74 |
Apr-1975 | 15.9 | 15.81 |
Mar-1975 | 16.04 | 16.03 |
Feb-1975 | 16.73 | 15.93 |
Jan-1975 | 16.73 | 16.33 |
Dec-1974 | 16.68 | 16.44 |
Nov-1974 | 16.88 | 16.58 |
Oct-1974 | 15.97 | 16.37 |
Sep-1974 | 16.41 | 16.08 |
Aug-1974 | 16.68 | 16.65 |
Jul-1974 | 16.62 | 16.72 |
Jun-1974 | 16.91 | 16.8 |
May-1974 | 16.72 | 17.16 |
Apr-1974 | 16.18 | 16.61 |
Mar-1974 | 16.9 | 16.61 |
Feb-1974 | 17.01 | 16.89 |
Jan-1974 | 17.57 | 17.31 |
Dec-1973 | 17.78 | 17.74 |
Nov-1973 | 18.02 | 18.23 |
Oct-1973 | 17.76 | 17.95 |
Sep-1973 | 17.96 | 17.95 |
Aug-1973 | 17.83 | 17.88 |
Jul-1973 | 16.75 | 17.39 |
Jun-1973 | 17.66 | 17.03 |
May-1973 | 18 | 17.74 |
Apr-1973 | 18.9 | 18.52 |
Mar-1973 | 19.05 | 19.08 |
Feb-1973 | 20.34 | 19.43 |
Jan-1973 | 21.33 | 21.27 |
Dec-1972 | 21.28 | 21.27 |
Nov-1972 | 21.29 | 21.27 |
Oct-1972 | 21.33 | 21.34 |
Sep-1972 | 21.14 | 21.27 |
Aug-1972 | 21.13 | 21.2 |
Jul-1972 | 21.23 | 20.99 |
Jun-1972 | 21.54 | 21.34 |
May-1972 | 21.63 | 21.63 |
Apr-1972 | 21.7 | 21.77 |
Mar-1972 | 22.05 | 21.84 |
Feb-1972 | 22.2 | 22.26 |
Jan-1972 | 22.21 | 22.26 |
Dec-1971 | 21.39 | 22.33 |
Nov-1971 | 21.24 | 21.24 |
Oct-1971 | 21.24 | 21.31 |
Sep-1971 | 21.24 | 21.24 |
Aug-1971 | 21.58 | 21.57 |
Jul-1971 | 21.8 | 21.98 |
Jun-1971 | 21.81 | 21.98 |
May-1971 | 21.76 | 21.91 |
Apr-1971 | 21.8 | 21.91 |
Mar-1971 | 21.7 | 21.98 |
Feb-1971 | 21.67 | 21.84 |
Jan-1971 | 21.68 | 21.84 |
Dec-1970 | 21.67 | 21.78 |
Nov-1970 | 21.67 | 21.71 |
Oct-1970 | 21.67 | 21.71 |
Sep-1970 | 21.8 | 21.91 |
Aug-1970 | 21.8 | 21.91 |
Jul-1970 | 36.33 | 36.17 |
Jun-1970 | 36.33 | 36.17 |
May-1970 | 36.28 | 36.17 |
Apr-1970 | 36.31 | 36.17 |
Mar-1970 | 36.71 | 36.5 |
Feb-1970 | 36.56 | 36.39 |
Jan-1970 | 36.33 | 36.39 |
Dec-1969 | 36 | 35.95 |
Nov-1969 | 35.9 | 35.84 |
Oct-1969 | 36.06 | 35.84 |
Sep-1969 | 36.35 | 36.17 |
Aug-1969 | 36.18 | 36.06 |
Jul-1969 | 35.98 | 35.95 |
Jun-1969 | 36.4 | 35.84 |
May-1969 | 36.89 | 36.73 |
Apr-1969 | 36.43 | 36.62 |
Mar-1969 | 36.23 | 36.17 |
Feb-1969 | 35.95 | 36.06 |
Jan-1969 | 35.59 | 35.62 |
Dec-1968 | 35.27 | 35.18 |
Nov-1968 | 35.22 | 35.18 |
Oct-1968 | 35.22 | 35.18 |
Sep-1968 | 35.22 | 35.07 |
Aug-1968 | 35.22 | 35.18 |
Jul-1968 | 35.15 | 35.07 |
Jun-1968 | 35.01 | 34.96 |
May-1968 | 35.03 | 34.96 |
Apr-1968 | 35 | 34.85 |
Mar-1968 | 34.95 | 34.85 |
Feb-1968 | 34.8 | 34.73 |
Jan-1968 | 34.81 | 34.62 |
Dec-1967 | 34.87 | 34.62 |
Nov-1967 | 35.37 | 35.18 |
Oct-1967 | 35.81 | 35.62 |
Sep-1967 | 35.89 | 35.84 |
Aug-1967 | 35.91 | 35.73 |
Jul-1967 | 35.89 | 35.73 |
Jun-1967 | 35.94 | 35.73 |
May-1967 | 35.61 | 35.73 |
Apr-1967 | 35.64 | 35.4 |
Mar-1967 | 35.59 | 35.51 |
Feb-1967 | 35.45 | 35.29 |
Jan-1967 | 35.3 | 35.18 |
Dec-1966 | 35.26 | 35.07 |
Nov-1966 | 35.19 | 35.07 |
Oct-1966 | 35.11 | 35.18 |
Sep-1966 | 35.52 | 35.18 |
Aug-1966 | 35 | 35.18 |
Jul-1966 | 34.71 | 34.73 |
Jun-1966 | 34.63 | 34.4 |
May-1966 | 34.55 | 34.51 |
Apr-1966 | 34.47 | 34.4 |
Mar-1966 | 34.35 | 34.29 |
Feb-1966 | 34.37 | 34.29 |
Jan-1966 | 34.28 | 34.18 |
Dec-1965 | 34.11 | 33.96 |
Nov-1965 | 34.11 | 33.96 |
Oct-1965 | 34.11 | 34.07 |
Sep-1965 | 34.11 | 34.07 |
Aug-1965 | 34.06 | 33.96 |
Jul-1965 | 33.91 | 33.85 |
Jun-1965 | 34.12 | 33.85 |
May-1965 | 34.33 | 34.07 |
Apr-1965 | 34.33 | 34.18 |
Mar-1965 | 34.14 | 34.07 |
Feb-1965 | 34.11 | 33.96 |
Jan-1965 | 34.13 | 33.96 |
Dec-1964 | 34.12 | 34.07 |
Nov-1964 | 34.02 | 33.85 |
Oct-1964 | 33.9 | 33.85 |
Sep-1964 | 34.07 | 33.85 |
Aug-1964 | 33.89 | 34.07 |
Jul-1964 | 34.01 | 33.85 |
Jun-1964 | 34.11 | 33.96 |
May-1964 | 34.12 | 34.07 |
Apr-1964 | 34.25 | 34.07 |
Mar-1964 | 34.31 | 34.07 |
Feb-1964 | 34.54 | 34.4 |
Jan-1964 | 34.48 | 34.51 |