Year | Value | 2021 | 4,294.639025182 | 2020 | 3,317.4093691652 | 2019 | 3,764.7262784708 | 2018 | 3,566.4502838068 | 2017 | 3,648.4530751928 | 2016 | 2,910.2508198198 | 2015 | 2,782.2532493577 | 2014 | 2,793.4314638692 | 2013 | 2,708.0351741703 | 2012 | 2,559.1714223938 | 2011 | 2,215.8004779743 | 2010 | 2,138.2313787628 | 2009 | 1,815.107 | 2008 | 1,792.115 | 2007 | 1,934.427 | 2006 | 2,248.583 | 2005 | 1,842.222 | 2004 | 1,822.406 | 2003 | 1,642.869 | 2002 | 1,499.872 | 2001 | 1,684.2540000954 | 2000 | 1,711.592 | 1999 | 1,659.3000172377 | 1998 | 1,416.9999707863 | 1997 | 1,343.1999882161 | 1996 | 1,229.5999907923 | 1995 | 1,124.8999989702 | 1994 | 1,115.8000051827 | 1993 | 1,066.0999939667 | 1992 | 971.9000091181 | 1991 | 867.0000064153 | 1990 | 912.4000026135 | 1989 | 958.600003168 | 1988 | 972.7999965176 | 1987 | 976.6000098813 | 1986 | 892.2000204773 | 1985 | 984.8999906555 | 1984 | 987.5999888332 | 1983 | 921.1999862046 | 1982 | 846.5000111683 | 1981 | 810.799996704 | 1980 | 706.0999998823 | 1979 | 654.3000016738 | 1978 | 556.5000079128 | 1977 | 480.8000032977 | 1976 | 465.2000038478 | 1975 | 417.1000043828 | 1974 | 401.700008325 | 1973 | 324.9999986587 | 1972 | 255.6000032725 | 1971 | 236.9999998659 | 1970 | 208.999999985 |
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