Year | Value | 2021 | 3,060.4264574891 | 2020 | 2,711.9649722646 | 2019 | 2,940.3815099945 | 2018 | 2,909.8756675782 | 2017 | 2,940.3344148555 | 2016 | 2,766.6984436566 | 2015 | 2,709.3623002989 | 2014 | 2,821.4754032833 | 2013 | 2,753.0715564553 | 2012 | 2,746.107710584 | 2011 | 2,663.4480356037 | 2010 | 2,482.3878686434 | 2009 | 2,085.3530624905 | 2008 | 2,141.1977436186 | 2007 | 1,951.5411550692 | 2006 | 1,660.2933218393 | 2005 | 1,468.0780145498 | 2004 | 1,289.445337377 | 2003 | 1,137.8594594592 | 2002 | 1,048.116607232 | 2001 | 1,094.3068493355 | 2000 | 1,122.313367321 | 1999 | 1,067.5274809887 | 1998 | 1,037.2240222704 | 1997 | 1,067.0519681046 | 1996 | 1,009.9043329073 | 1995 | 947.60911905106 | 1994 | 954.67528132013 | 1993 | 926.22142778064 | 1992 | 851.21292538583 | 1991 | 784.9376994262 | 1990 | 745.65874373674 | 1989 | 655.50726991326 | 1988 | 668.21645630078 | 1987 | 640.2655319506 | 1986 | 658.5046762031 | 1985 | 659.07756129203 | 1984 | 651.01771159058 | 1983 | 675.27364714082 | 1982 | 687.97198352959 | 1981 | 724.89767600903 | 1980 | 648.32410556957 | 1979 | 529.95199996256 | 1978 | 477.77408330936 | 1977 | 441.78901875264 | 1976 | 408.17450758298 | 1975 | 386.97578268485 | 1974 | 362.26824892109 | 1973 | 280.41555973948 | 1972 | 226.14816897616 | 1971 | 211.82772745907 | 1970 | 199.62830114911 |
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