Year | Value | 2021 | 8,398.6662158573 | 2020 | 7,226.3163913227 | 2019 | 7,499.9739155279 | 2018 | 7,408.1243842543 | 2017 | 6,913.0817351345 | 2016 | 6,246.1970150305 | 2015 | 6,266.1809458188 | 2014 | 6,738.1561300554 | 2013 | 6,503.5179971256 | 2012 | 6,100.050135557 | 2011 | 5,680.1323702984 | 2010 | 4,805.7042680839 | 2009 | 4,090.0603608941 | 2008 | 4,220.3075608488 | 2007 | 3,474.3532291756 | 2006 | 2,754.4474899529 | 2005 | 2,293.6400169272 | 2004 | 1,924.7729252561 | 2003 | 1,618.6395819623 | 2002 | 1,435.2395972553 | 2001 | 1,362.8229464326 | 2000 | 1,328.1231114527 | 1999 | 1,228.9530888884 | 1998 | 1,355.5900802413 | 1997 | 1,417.3344129839 | 1996 | 1,367.011342364 | 1995 | 1,220.9220612121 | 1994 | 970.63214582977 | 1993 | 816.08321573249 | 1992 | 781.36286541836 | 1991 | 727.78771889228 | 1990 | 720.22561738759 | 1989 | 696.05734630936 | 1988 | 602.16605550619 | 1987 | 538.9249571831 | 1986 | 535.31630824738 | 1985 | 501.25869804299 | 1984 | 495.22878514507 | 1983 | 471.82407003381 | 1982 | 522.35868579744 | 1981 | 517.37625383632 | 1980 | 490.96836254288 | 1979 | 453.31932256984 | 1978 | 402.47117613842 | 1977 | 392.30666858838 | 1976 | 344.51971274849 | 1975 | 326.81017045805 | 1974 | 302.76829596194 | 1973 | 267.46633861607 | 1972 | 216.07500146878 | 1971 | 193.41074084635 | 1970 | 177.52527873943 |
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