Year | Value | 2021 | 5,983.8547701926 | 2020 | 5,394.1767492279 | 2019 | 6,471.2203605045 | 2018 | 6,604.4825524322 | 2017 | 6,961.1616305457 | 2016 | 6,275.9502184366 | 2015 | 6,556.8897528287 | 2014 | 7,672.3737141141 | 2013 | 7,698.978206771 | 2012 | 7,509.5593333592 | 2011 | 7,707.4461484723 | 2010 | 6,784.2258032769 | 2009 | 5,552.3694430174 | 2008 | 6,036.1975443428 | 2007 | 5,328.2190564934 | 2006 | 4,532.0010972765 | 2005 | 3,893.3350865381 | 2004 | 3,287.4409499265 | 2003 | 2,943.460743275 | 2002 | 2,945.431288676 | 2001 | 3,348.5295236653 | 2000 | 3,481.3970366174 | 1999 | 3,217.5192676025 | 1998 | 3,746.3973301894 | 1997 | 3,810.1808559324 | 1996 | 3,553.9748763988 | 1995 | 3,288.1280655198 | 1994 | 3,128.6578060459 | 1993 | 2,689.2924289997 | 1992 | 2,306.6970417918 | 1991 | 2,147.758027424 | 1990 | 1,988.9797842444 | 1989 | 1,741.594472043 | 1988 | 1,571.663946863 | 1987 | 1,419.5861432157 | 1986 | 1,356.5486697714 | 1985 | 1,349.3723457572 | 1984 | 1,403.5040062754 | 1983 | 1,407.0514055159 | 1982 | 1,688.4344781841 | 1981 | 1,892.0780021353 | 1980 | 1,677.6094176458 | 1979 | 1,462.1907818895 | 1978 | 1,288.8971392348 | 1977 | 1,168.1683764527 | 1976 | 1,104.3880058046 | 1975 | 1,030.6916851166 | 1974 | 990.94335909996 | 1973 | 775.80796174368 | 1972 | 602.10853451517 | 1971 | 546.72185181086 | 1970 | 496.73542829852 |
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