Year | Value | 2021 | 3,890.926675487 | 2020 | 3,006.8133288995 | 2019 | 2,651.5677438489 | 2018 | 2,342.9683017754 | 2017 | 2,299.2996133912 | 2016 | 1,696.1837098461 | 2015 | 1,438.4434003803 | 2014 | 1,159.8908196365 | 2013 | 1,089.3989501811 | 2012 | 1,096.2602956854 | 2011 | 904.83601599918 | 2010 | 747.13415650358 | 2009 | 730.325 | 2008 | 530.381 | 2007 | 443.227 | 2006 | 490.351 | 2005 | 479.592 | 2004 | 432.351 | 2003 | 365.648 | 2002 | 403.404 | 2001 | 568.79700009537 | 2000 | 600.721 | 1999 | 670.4999959619 | 1998 | 685.6999913006 | 1997 | 731.4000026137 | 1996 | 712.2999880686 | 1995 | 735.3999911621 | 1994 | 861.4000006689 | 1993 | 699.0999923719 | 1992 | 755.6999919786 | 1991 | 698.3000059499 | 1990 | 739.9000068082 | 1989 | 956.3999935166 | 1988 | 941.1000069155 | 1987 | 825.5000088738 | 1986 | 557.0000071674 | 1985 | 712.7000045702 | 1984 | 998.5000078454 | 1983 | 1,064.2999763042 | 1982 | 967.5000009907 | 1981 | 959.4999890253 | 1980 | 1,005.3999844118 | 1979 | 982.3000238018 | 1978 | 872.9999966995 | 1977 | 881.2000132202 | 1976 | 859.4999994486 | 1975 | 725.899995953 | 1974 | 664.9999884888 | 1973 | 585.3000170514 | 1972 | 437.3000055476 | 1971 | 360.300005421 | 1970 | 289.1000053434 |
|