Year | Value | 2021 | 130,120 | 2020 | 106,938 | 2019 | 213,664 | 2018 | 183,541 | 2017 | 158,454 | 2016 | 137,605 | 2015 | 145,492 | 2014 | 123,708 | 2013 | 103,080 | 2012 | 88,801.831651127 | 2011 | 120,826.21238981 | 2010 | 111,307 | 2009 | 45,861 | 2008 | 49,795 | 2007 | 51,003 | 2006 | 45,781 | 2005 | 47,362 | 2004 | 46,837 | 2003 | 40,233 | 2002 | 33,290 | 2001 | 31,654 | 2000 | 32,297 | 1999 | 30,200 | 1998 | 27,500 | 1997 | 25,700 | 1996 | 24,900 | 1995 | 21,600 | 1994 | 20,900 | 1993 | 23,100 | 1992 | 19,800 | 1991 | 16,600 | 1990 | 18,900 | 1989 | 17,500 | 1988 | 16,200 | 1987 | 17,300 | 1986 | 17,100 | 1985 | 17,200 | 1984 | 17,000 | 1983 | 15,700 | 1982 | 16,600 | 1981 | 16,100 | 1980 | 15,600 | 1979 | 15,500 | 1978 | 13,700 | 1977 | 11,800 | 1976 | 4,300 | 1975 | 4,000 | 1974 | 4,500 | 1973 | 3,800 | 1972 | 3,000 | 1971 | 3,200 | 1970 | 6,200 |
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