Year | Value | 2021 | 31,345,507.692 | 2020 | 24,345,492.602 | 2019 | 65,822,245.920235 | 2018 | 64,496,529.360006 | 2017 | 53,627,313.08 | 2016 | 49,115,389 | 2015 | 47,353,496 | 2014 | 43,973,716.115098 | 2013 | 43,445,905.818 | 2012 | 45,172,846.802368 | 2011 | 42,254,442.401034 | 2010 | 37,778,795.137902 | 2009 | 27,184,327 | 2008 | 27,510,500 | 2007 | 26,657,989 | 2006 | 25,230,306 | 2005 | 23,121,258 | 2004 | 19,705,682 | 2003 | 17,470,433 | 2002 | 16,016,828 | 2001 | 16,753,549 | 2000 | 17,519,022 | 1999 | 16,774,800 | 1998 | 15,873,700 | 1997 | 16,093,100 | 1996 | 15,661,100 | 1995 | 15,054,600 | 1994 | 14,645,200 | 1993 | 13,633,700 | 1992 | 13,273,000 | 1991 | 13,966,200 | 1990 | 14,566,000 | 1989 | 14,534,100 | 1988 | 14,634,800 | 1987 | 14,099,400 | 1986 | 13,895,900 | 1985 | 14,994,600 | 1984 | 14,673,200 | 1983 | 14,332,400 | 1982 | 14,213,900 | 1981 | 14,195,700 | 1980 | 13,004,500 | 1979 | 11,279,300 | 1978 | 9,727,500 | 1977 | 8,749,000 | 1976 | 8,568,400 | 1975 | 7,320,600 | 1974 | 6,811,800 | 1973 | 6,261,300 | 1972 | 5,360,200 | 1971 | 5,013,400 | 1970 | 4,585,300 |
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