Year | Value | 2021 | 61,896,523 | 2020 | 45,405,756 | 2019 | 102,917,546 | 2018 | 102,109,977 | 2017 | 96,395,709 | 2016 | 94,142,377 | 2015 | 102,039,359 | 2014 | 100,403,628 | 2013 | 95,591,641 | 2012 | 94,752,568 | 2011 | 87,860,363 | 2010 | 74,627,064 | 2009 | 67,945,578 | 2008 | 58,763,225 | 2007 | 45,286,990 | 2006 | 40,945,038 | 2005 | 37,661,733 | 2004 | 35,263,795 | 2003 | 32,372,040 | 2002 | 35,889,538 | 2001 | 34,285,574 | 2000 | 31,287,784 | 1999 | 28,205,300 | 1998 | 28,091,100 | 1997 | 24,307,000 | 1996 | 22,011,500 | 1995 | 20,196,100 | 1994 | 17,898,600 | 1993 | 16,535,600 | 1992 | 16,388,500 | 1991 | 19,153,100 | 1990 | 19,149,600 | 1989 | 19,410,800 | 1988 | 17,010,900 | 1987 | 17,068,600 | 1986 | 17,194,700 | 1985 | 13,402,900 | 1984 | 12,948,400 | 1983 | 12,605,900 | 1982 | 13,168,300 | 1981 | 12,594,600 | 1980 | 13,008,100 | 1979 | 11,856,900 | 1978 | 10,621,300 | 1977 | 9,514,400 | 1976 | 8,799,000 | 1975 | 7,772,900 | 1974 | 6,855,500 | 1973 | 5,842,400 | 1972 | 4,671,400 | 1971 | 3,911,000 | 1970 | 3,339,800 |
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