Year | Value | 2021 | 164,801.01426122 | 2020 | 137,631.78757243 | 2019 | 159,806.16080485 | 2018 | 163,878.36863034 | 2017 | 159,409.7438997 | 2016 | 148,100.25971747 | 2015 | 143,701.30342408 | 2014 | 142,733.26507314 | 2013 | 136,547.44844286 | 2012 | 137,484.00270392 | 2011 | 144,960.7622944 | 2010 | 143,947.02734741 | 2009 | 144,617.2826544 | 2008 | 129,934.423 | 2007 | 131,017.556 | 2006 | 124,633.453 | 2005 | 118,283.662 | 2004 | 116,717.872 | 2003 | 105,241.614 | 2002 | 99,879.587 | 2001 | 94,145.185 | 2000 | 101,088.541 | 1999 | 93,344.618343908 | 1998 | 87,511.774434643 | 1997 | 88,201.801113158 | 1996 | 76,164.699992538 | 1995 | 70,426.200317495 | 1994 | 65,006.900424853 | 1993 | 56,836.100126192 | 1992 | 51,780.999656648 | 1991 | 47,756.500141784 | 1990 | 47,891.60028784 | 1989 | 46,451.000278637 | 1988 | 42,679.800022051 | 1987 | 38,146.100107111 | 1986 | 33,985.300027288 | 1985 | 30,977.300142609 | 1984 | 30,694.999556713 | 1983 | 26,921.799945988 | 1982 | 23,933.399746471 | 1981 | 23,543.400299013 | 1980 | 22,480.100380659 | 1979 | 21,656.999676585 | 1978 | 19,887.399775162 | 1977 | 18,007.300100997 | 1976 | 16,261.600346938 | 1975 | 14,630.800141372 | 1974 | 14,681.299911358 | 1973 | 13,677.500095204 | 1972 | 11,729.09992335 | 1971 | 10,210.599873185 | 1970 | 9,356.0002347232 |
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