Year | Value | 2021 | 24,951,000 | 2020 | 27,620,000 | 2019 | 93,352,000 | 2018 | 91,504,000 | 2017 | 91,404,001 | 2016 | 85,406,425 | 2015 | 80,228,302 | 2014 | 75,528,607 | 2013 | 71,526,725.918431 | 2012 | 70,467,400.792869 | 2011 | 66,078,011.954739 | 2010 | 63,277,409.375339 | 2009 | 52,583,516 | 2008 | 53,718,757 | 2007 | 52,103,547 | 2006 | 46,726,978 | 2005 | 45,229,860 | 2004 | 40,701,307 | 2003 | 35,884,417 | 2002 | 23,323,029 | 2001 | 40,451,914 | 2000 | 41,767,974 | 1999 | 24,602,000 | 1998 | 24,653,300 | 1997 | 23,981,500 | 1996 | 22,856,000 | 1995 | 20,291,100 | 1994 | 18,104,800 | 1993 | 17,516,500 | 1992 | 16,818,300 | 1991 | 16,586,500 | 1990 | 20,601,400 | 1989 | 21,273,800 | 1988 | 22,379,400 | 1987 | 19,946,500 | 1986 | 20,378,500 | 1985 | 19,688,400 | 1984 | 19,382,600 | 1983 | 18,107,900 | 1982 | 19,653,800 | 1981 | 22,097,100 | 1980 | 22,453,000 | 1979 | 20,846,400 | 1978 | 18,472,000 | 1977 | 17,466,400 | 1976 | 16,833,100 | 1975 | 16,712,900 | 1974 | 16,367,500 | 1973 | 14,626,800 | 1972 | 11,628,500 | 1971 | 10,247,300 | 1970 | 10,180,300 |
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