Year | Value | 2021 | 7,867.5548134564 | 2020 | 7,474.0053954838 | 2019 | 7,991.1657730698 | 2018 | 7,789.898930306 | 2017 | 7,170.644642945 | 2016 | 6,983.0278392472 | 2015 | 7,055.8904494379 | 2014 | 7,915.0306323998 | 2013 | 7,828.368414913 | 2012 | 7,702.292787397 | 2011 | 7,511.852833738 | 2010 | 6,393.2043581782 | 2009 | 5,234.8406678961 | 2008 | 5,912.4784632084 | 2007 | 5,150.8033110233 | 2006 | 4,307.2622222277 | 2005 | 3,816.4853164166 | 2004 | 3,398.3393544253 | 2003 | 2,994.7860887547 | 2002 | 2,829.2001343117 | 2001 | 2,583.980121284 | 2000 | 2,596.9523852462 | 1999 | 2,248.5310161532 | 1998 | 2,114.5854633635 | 1997 | 3,187.0083248028 | 1996 | 3,296.2034569807 | 1995 | 2,966.9222671353 | 1994 | 2,528.1863917576 | 1993 | 2,288.1652492297 | 1992 | 2,003.2935579369 | 1991 | 1,706.2160749654 | 1990 | 1,465.1914902813 | 1989 | 1,252.5844918864 | 1988 | 1,221.8840992028 | 1987 | 1,053.1188364152 | 1986 | 998.01717391666 | 1985 | 1,236.3319883545 | 1984 | 1,438.3794304761 | 1983 | 1,160.6252719869 | 1982 | 1,056.0902558197 | 1981 | 1,149.5405983344 | 1980 | 981.80016810206 | 1979 | 849.87041716211 | 1978 | 804.62117772296 | 1977 | 622.76300410421 | 1976 | 544.9217717804 | 1975 | 471.40999889796 | 1974 | 529.8758407571 | 1973 | 375.6781622262 | 1972 | 280.4467996644 | 1971 | 271.68005407109 | 1970 | 263.89064660118 |
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