Year | Value | 2021 | 97,777 | 2020 | 73,742.363 | 2019 | 186,711 | 2018 | 182,753 | 2017 | 170,444 | 2016 | 154,448 | 2015 | 160,003 | 2014 | 157,702 | 2013 | 158,096 | 2012 | 131,870 | 2011 | 129,004 | 2010 | 111,961.40785391 | 2009 | 123,551 | 2008 | 159,135 | 2007 | 138,093 | 2006 | 119,668 | 2005 | 148,604 | 2004 | 127,025 | 2003 | 117,404 | 2002 | 112,324 | 2001 | 96,049 | 2000 | 112,462 | 1999 | 117,200 | 1998 | 97,600 | 1997 | 94,700 | 1996 | 80,500 | 1995 | 71,600 | 1994 | 65,900 | 1993 | 63,300 | 1992 | 59,900 | 1991 | 47,000 | 1990 | 45,000 | 1989 | 40,300 | 1988 | 39,500 | 1987 | 34,600 | 1986 | 31,700 | 1985 | 31,000 | 1984 | 33,900 | 1983 | 35,300 | 1982 | 35,100 | 1981 | 34,100 | 1980 | 33,500 | 1979 | 31,400 | 1978 | 30,800 | 1977 | 29,200 | 1976 | 28,200 | 1975 | 32,800 | 1974 | 66,400 | 1973 | 65,100 | 1972 | 58,100 | 1971 | 53,500 | 1970 | 47,600 |
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