| Year | Value | | 2021 | 100,893,015.318 | | 2020 | 78,203,120.459 | | 2019 | 246,284,712.90189 | | 2018 | 232,670,166.88982 | | 2017 | 223,496,214.05 | | 2016 | 214,318,723 | | 2015 | 195,957,046 | | 2014 | 181,627,311.07691 | | 2013 | 166,209,279.14078 | | 2012 | 152,014,159.66127 | | 2011 | 135,837,641.38979 | | 2010 | 126,796,491.87913 | | 2009 | 95,372,047 | | 2008 | 53,542,019 | | 2007 | 51,722,644 | | 2006 | 47,875,367 | | 2005 | 43,608,649 | | 2004 | 60,950,501 | | 2003 | 52,465,002 | | 2002 | 49,871,837 | | 2001 | 46,769,231 | | 2000 | 45,723,758 | | 1999 | 43,269,900 | | 1998 | 40,403,700 | | 1997 | 39,692,100 | | 1996 | 38,024,200 | | 1995 | 35,918,200 | | 1994 | 35,968,300 | | 1993 | 34,017,400 | | 1992 | 33,877,100 | | 1991 | 28,835,100 | | 1990 | 31,484,000 | | 1989 | 31,525,100 | | 1988 | 30,660,000 | | 1987 | 29,113,000 | | 1986 | 27,905,400 | | 1985 | 29,988,100 | | 1984 | 30,019,300 | | 1983 | 29,098,800 | | 1982 | 27,570,500 | | 1981 | 25,883,200 | | 1980 | 24,725,900 | | 1979 | 21,838,000 | | 1978 | 18,669,700 | | 1977 | 16,062,400 | | 1976 | 13,313,000 | | 1975 | 10,178,000 | | 1974 | 8,227,100 | | 1973 | 6,569,400 | | 1972 | 5,625,600 | | 1971 | 4,737,000 | | 1970 | 4,209,300 |
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