Year | Value | 2021 | 26,870.421 | 2020 | 34,128.644 | 2019 | 64,745 | 2018 | 65,342 | 2017 | 62,670 | 2016 | 58,321 | 2015 | 55,485 | 2014 | 51,276 | 2013 | 35,340 | 2012 | 34,691.984171175 | 2011 | 36,808.25228489 | 2010 | 51,069 | 2009 | 78,761 | 2008 | 78,100 | 2007 | 77,907 | 2006 | 78,717 | 2005 | 70,306 | 2004 | 69,538 | 2003 | 67,062 | 2002 | 72,759 | 2001 | 95,413 | 2000 | 87,674 | 1999 | 89,300 | 1998 | 121,400 | 1997 | 111,300 | 1996 | 65,400 | 1995 | 60,700 | 1994 | 52,800 | 1993 | 44,600 | 1992 | 51,700 | 1991 | 45,400 | 1990 | 45,400 | 1989 | 45,600 | 1988 | 45,500 | 1987 | 35,900 | 1986 | 33,100 | 1985 | 32,300 | 1984 | 35,000 | 1983 | 32,200 | 1982 | 32,500 |
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