Year | Value | 2021 | 9,053,965 | 2020 | 5,705,074 | 2019 | 18,820,572 | 2018 | 17,758,527.272 | 2017 | 16,094,150 | 2016 | 15,081,755 | 2015 | 13,877,662 | 2014 | 12,284,677 | 2013 | 12,255,937.76295 | 2012 | 10,074,855.611923 | 2011 | 8,609,620.3544122 | 2010 | 7,106,025.2925172 | 2009 | 5,843,195 | 2008 | 6,184,410 | 2007 | 5,273,188 | 2006 | 4,217,880 | 2005 | 4,332,223 | 2004 | 3,225,128 | 2003 | 2,226,329 | 2002 | 2,085,823 | 2001 | 2,248,991 | 2000 | 1,595,268 | 1999 | 1,900,000 | 1998 | 2,774,500 | 1997 | 2,724,500 | 1996 | 2,327,500 | 1995 | 2,508,300 | 1994 | 1,894,900 | 1993 | 1,362,400 | 1992 | 1,217,600 | 1991 | 1,490,600 | 1990 | 1,816,200 | 1989 | 1,854,300 | 1988 | 2,737,100 | 1987 | 3,009,000 | 1986 | 2,152,900 | 1985 | 1,563,900 | 1984 | 1,616,800 | 1983 | 1,698,200 | 1982 | 1,739,700 | 1981 | 1,777,100 | 1980 | 1,980,100 | 1979 | 1,686,100 | 1978 | 1,449,000 | 1977 | 1,425,000 | 1976 | 1,439,200 | 1975 | 1,335,200 | 1974 | 1,116,900 | 1973 | 590,000 | 1972 | 525,300 | 1971 | 263,700 | 1970 | 390,500 |
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