Year | Value | 2021 | 10,988,881.272 | 2020 | 9,009,607.2 | 2019 | 30,339,654 | 2018 | 28,857,994 | 2017 | 26,732,570 | 2016 | 25,859,918 | 2015 | 27,011,762 | 2014 | 27,923,164 | 2013 | 27,503,416 | 2012 | 26,386,306.603467 | 2011 | 24,866,065 | 2010 | 22,146,864 | 2009 | 14,701,206 | 2008 | 14,352,757 | 2007 | 12,298,456 | 2006 | 10,647,142 | 2005 | 9,662,619 | 2004 | 9,287,315 | 2003 | 10,118,096 | 2002 | 13,295,500 | 2001 | 16,914,823 | 2000 | 17,268,093 | 1999 | 16,209,000 | 1998 | 14,298,900 | 1997 | 12,481,600 | 1996 | 10,468,300 | 1995 | 9,859,000 | 1994 | 9,338,200 | 1993 | 9,152,000 | 1992 | 8,255,700 | 1991 | 7,973,600 | 1990 | 8,603,400 | 1989 | 8,229,500 | 1988 | 7,483,500 | 1987 | 7,213,900 | 1986 | 6,707,800 | 1985 | 6,506,200 | 1984 | 6,254,500 | 1983 | 6,266,800 | 1982 | 6,252,200 | 1981 | 6,220,600 | 1980 | 5,930,100 | 1979 | 5,887,400 | 1978 | 5,686,800 | 1977 | 5,437,100 | 1976 | 5,084,900 | 1975 | 4,691,800 | 1974 | 4,575,000 | 1973 | 4,514,400 | 1972 | 4,054,100 | 1971 | 3,926,200 | 1970 | 3,397,400 |
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