Year | Value | 2021 | 26,631,932 | 2020 | 30,237,827 | 2019 | 142,392,528 | 2018 | 165,388,610 | 2017 | 151,159,067 | 2016 | 143,781,714 | 2015 | 131,512,994 | 2014 | 124,901,676.05268 | 2013 | 118,605,866 | 2012 | 115,419,920.56567 | 2011 | 111,598,546.14123 | 2010 | 101,515,720.1934 | 2009 | 102,464,509 | 2008 | 104,713,553 | 2007 | 101,622,807 | 2006 | 97,544,631 | 2005 | 93,602,879 | 2004 | 86,054,762 | 2003 | 76,388,660 | 2002 | 72,381,196 | 2001 | 70,331,725 | 2000 | 70,436,030 | 1999 | 65,738,296 | 1998 | 61,940,200 | 1997 | 62,763,200 | 1996 | 64,208,500 | 1995 | 59,688,800 | 1994 | 55,475,500 | 1993 | 50,187,900 | 1992 | 47,819,400 | 1991 | 42,861,200 | 1990 | 47,113,600 | 1989 | 46,354,400 | 1988 | 37,573,100 | 1987 | 33,705,300 | 1986 | 29,373,100 | 1985 | 28,229,400 | 1984 | 25,825,700 | 1983 | 23,376,200 | 1982 | 23,872,500 | 1981 | 24,578,700 | 1980 | 25,551,200 | 1979 | 25,312,100 | 1978 | 23,186,100 | 1977 | 19,484,500 | 1976 | 19,472,900 | 1975 | 18,074,900 | 1974 | 18,062,600 | 1973 | 18,959,700 | 1972 | 17,308,500 | 1971 | 15,796,000 | 1970 | 15,568,800 |
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