Year | Value | 2021 | 5,563,387 | 2020 | 4,638,192.256 | 2019 | 13,206,889.61 | 2018 | 12,386,010 | 2017 | 11,748,510 | 2016 | 11,844,962 | 2015 | 11,109,554 | 2014 | 10,278,013.113562 | 2013 | 10,593,780.17744 | 2012 | 9,081,175.1462956 | 2011 | 7,708,160.1071122 | 2010 | 9,518,106.0132362 | 2009 | 6,215,870 | 2008 | 6,688,999 | 2007 | 5,829,044 | 2006 | 4,988,262 | 2005 | 4,888,146 | 2004 | 4,621,310 | 2003 | 4,180,814 | 2002 | 4,526,688 | 2001 | 4,389,163 | 2000 | 4,521,702 | 1999 | 4,620,100 | 1998 | 3,894,900 | 1997 | 4,416,300 | 1996 | 4,282,400 | 1995 | 3,897,200 | 1994 | 3,537,500 | 1993 | 2,880,500 | 1992 | 3,608,600 | 1991 | 2,595,400 | 1990 | 3,239,200 | 1989 | 3,418,600 | 1988 | 3,192,100 | 1987 | 2,891,200 | 1986 | 2,350,100 | 1985 | 2,786,200 | 1984 | 2,786,200 | 1983 | 2,617,700 | 1982 | 2,433,200 | 1981 | 2,232,600 | 1980 | 2,027,700 | 1979 | 1,689,800 | 1978 | 1,426,300 | 1977 | 1,282,400 | 1976 | 1,112,700 | 1975 | 916,900 | 1974 | 837,000 | 1973 | 656,300 | 1972 | 623,100 | 1971 | 515,400 | 1970 | 542,500 |
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