Year | Value | 2021 | 100,593.419 | 2020 | 138,660.862 | 2019 | 229,670.648 | 2018 | 427,806 | 2017 | 427,806 | 2016 | 373,467 | 2015 | 373,739 | 2014 | 330,456 | 2013 | 302,412 | 2012 | 138,160.1153057 | 2011 | 140,183.26388356 | 2010 | 142,660 | 2009 | 94,027 | 2008 | 100,558 | 2007 | 102,090 | 2006 | 101,190 | 2005 | 91,450 | 2004 | 84,676 | 2003 | 68,104 | 2002 | 84,537 | 2001 | 81,376 | 2000 | 75,262 | 1999 | 97,700 | 1998 | 94,000 | 1997 | 94,300 | 1996 | 94,300 | 1995 | 89,500 | 1994 | 78,500 | 1993 | 74,600 | 1992 | 69,400 | 1991 | 69,400 | 1990 | 69,400 | 1989 | 69,300 | 1988 | 68,500 | 1987 | 67,500 | 1986 | 64,900 | 1985 | 66,000 | 1984 | 63,700 | 1983 | 54,600 | 1982 | 51,100 | 1981 | 46,200 | 1980 | 42,400 |
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