Year | Value | 2021 | 5,647.1339147131 | 2020 | 5,253.7532044679 | 2019 | 6,679.1678840038 | 2018 | 6,849.3881865075 | 2017 | 7,502.893701805 | 2016 | 6,449.6359972447 | 2015 | 6,552.6172125354 | 2014 | 9,089.2831442154 | 2013 | 9,304.4932375851 | 2012 | 9,206.2750179207 | 2011 | 10,109.91803188 | 2010 | 8,758.1355849545 | 2009 | 6,849.1557885778 | 2008 | 7,084.2382562231 | 2007 | 5,996.4690217071 | 2006 | 4,774.9596253783 | 2005 | 3,854.8432824994 | 2004 | 2,943.664134712 | 2003 | 2,467.2496637831 | 2002 | 2,280.0359387911 | 2001 | 2,553.0312752866 | 2000 | 3,049.8400157088 | 1999 | 2,837.4693247258 | 1998 | 4,264.0755393989 | 1997 | 4,508.4428864197 | 1996 | 4,474.0818684741 | 1995 | 4,065.6350695206 | 1994 | 2,710.7749328591 | 1993 | 1,941.8513646494 | 1992 | 1,760.4969321281 | 1991 | 1,868.3604553603 | 1990 | 2,137.153859131 | 1989 | 2,150.3906823979 | 1988 | 1,599.4592698728 | 1987 | 1,454.963875378 | 1986 | 1,356.4478138316 | 1985 | 1,105.8341362793 | 1984 | 1,272.6558566061 | 1983 | 1,259.1817190127 | 1982 | 1,820.2477331528 | 1981 | 1,762.8275996243 | 1980 | 1,623.6071407987 | 1979 | 1,621.2764953502 | 1978 | 1,484.2845289307 | 1977 | 1,344.006820442 | 1976 | 1,200.0902861992 | 1975 | 997.06641224144 | 1974 | 880.89359368457 | 1973 | 682.44412080734 | 1972 | 520.75266616747 | 1971 | 447.41733918943 | 1970 | 392.52589786717 |
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