Year | Value | 2021 | 126,160.109 | 2020 | 88,578.633 | 2019 | 248,747 | 2018 | 234,156 | 2017 | 216,275 | 2016 | 212,865 | 2015 | 209,734 | 2014 | 199,600.52281367 | 2013 | 184,763 | 2012 | 197,817.30031111 | 2011 | 191,506.86633036 | 2010 | 190,441 | 2009 | 151,292 | 2008 | 156,567 | 2007 | 152,550 | 2006 | 146,648 | 2005 | 148,146 | 2004 | 133,222 | 2003 | 130,938 | 2002 | 116,985 | 2001 | 122,561 | 2000 | 110,392 | 1999 | 103,800 | 1998 | 93,200 | 1997 | 102,200 | 1996 | 88,400 | 1995 | 74,300 | 1994 | 89,300 | 1993 | 93,700 | 1992 | 79,900 | 1991 | 78,600 | 1990 | 84,000 | 1989 | 81,200 | 1988 | 60,800 | 1987 | 55,800 | 1986 | 51,000 | 1985 | 64,200 | 1984 | 67,200 | 1983 | 64,100 | 1982 | 70,100 | 1981 | 69,800 | 1980 | 64,600 | 1979 | 63,100 | 1978 | 58,100 | 1977 | 58,500 | 1976 | 59,400 | 1975 | 58,600 | 1974 | 55,700 | 1973 | 47,800 | 1972 | 47,600 | 1971 | 46,000 | 1970 | 39,800 |
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