Year | Value | 2021 | 108,338 | 2020 | 75,393 | 2019 | 151,848 | 2018 | 144,040 | 2017 | 135,281 | 2016 | 128,454 | 2015 | 124,014 | 2014 | 134,160 | 2013 | 103,800 | 2012 | 111,870 | 2011 | 125,477.11982973 | 2010 | 136,382.25793275 | 2009 | 112,671 | 2008 | 128,287 | 2007 | 137,697 | 2006 | 133,226 | 2005 | 130,515 | 2004 | 137,676 | 2003 | 114,100 | 2002 | 113,247 | 2001 | 125,269 | 2000 | 108,584 | 1999 | 94,100 | 1998 | 90,700 | 1997 | 94,200 | 1996 | 92,400 | 1995 | 89,200 | 1994 | 86,600 | 1993 | 86,200 | 1992 | 79,200 | 1991 | 69,800 | 1990 | 79,600 | 1989 | 80,100 | 1988 | 79,200 | 1987 | 78,600 | 1986 | 75,800 | 1985 | 77,000 | 1984 | 71,600 | 1983 | 58,800 | 1982 | 53,900 | 1981 | 49,700 | 1980 | 50,300 | 1979 | 57,300 | 1978 | 55,600 | 1977 | 49,400 | 1976 | 50,600 | 1975 | 42,600 | 1974 | 38,000 | 1973 | 48,500 | 1972 | 44,500 | 1971 | 39,800 | 1970 | 34,100 |
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