Year | Value | 2021 | 42,598 | 2020 | 47,394 | 2019 | 131,089 | 2018 | 125,804 | 2017 | 118,856 | 2016 | 162,119 | 2015 | 153,849 | 2014 | 140,256 | 2013 | 138,987 | 2012 | 138,914.13265306 | 2011 | 144,467 | 2010 | 132,408.28422807 | 2009 | 104,740 | 2008 | 114,371 | 2007 | 118,686 | 2006 | 114,699 | 2005 | 107,108 | 2004 | 109,209 | 2003 | 107,026 | 2002 | 108,923 | 2001 | 128,881 | 2000 | 145,174 | 1999 | 120,700 | 1998 | 119,000 | 1997 | 113,300 | 1996 | 103,200 | 1995 | 97,000 | 1994 | 91,000 | 1993 | 90,300 | 1992 | 93,600 | 1991 | 92,000 | 1990 | 93,400 | 1989 | 89,800 | 1988 | 84,000 | 1987 | 77,300 | 1986 | 66,400 | 1985 | 70,300 | 1984 | 68,800 | 1983 | 68,900 | 1982 | 72,200 | 1981 | 74,100 | 1980 | 70,800 | 1979 | 61,100 | 1978 | 60,000 | 1977 | 56,400 | 1976 | 62,600 | 1975 | 64,300 | 1974 | 60,700 |
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