Year | Value | 2021 | 49,244.645648 | 2020 | 43,099.261011 | 2019 | 45,607.305720447 | 2018 | 45,467.299596 | 2017 | 44,432.536902023 | 2016 | 40,904.146136575 | 2015 | 39,941.055393067 | 2014 | 40,309.514251944 | 2013 | 39,059.86451875 | 2012 | 41,071.340377691 | 2011 | 41,601.913535045 | 2010 | 41,310.58463635 | 2009 | 36,444.608654396 | 2008 | 40,702.261 | 2007 | 42,047.584 | 2006 | 41,385.08 | 2005 | 38,884.463 | 2004 | 39,106.7 | 2003 | 35,701.851 | 2002 | 31,132.711 | 2001 | 29,634.381 | 2000 | 32,068.089 | 1999 | 29,173.799194336 | 1998 | 27,563.600341797 | 1997 | 27,435.30078125 | 1996 | 23,457.400390625 | 1995 | 21,260.300415039 | 1994 | 20,562.400756836 | 1993 | 17,712.199951172 | 1992 | 16,867.299560547 | 1991 | 15,727.600219727 | 1990 | 16,176.700439453 | 1989 | 15,962.300048828 | 1988 | 15,046.199584961 | 1987 | 13,030.000183105 | 1986 | 11,596 | 1985 | 10,662.000183105 | 1984 | 11,260.299621582 | 1983 | 10,110.099975586 | 1982 | 9,042.3997802734 | 1981 | 9,320.0003662109 | 1980 | 9,304.0003662109 | 1979 | 9,328.4996337891 | 1978 | 9,015.3997802734 | 1977 | 8,471.0001220704 | 1976 | 8,005.9002075195 | 1975 | 7,533.9000854493 | 1974 | 7,775.6998901368 | 1973 | 7,544.3001098633 | 1972 | 6,716.3999938965 | 1971 | 5,944.2998046875 | 1970 | 5,522.100189209 |
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