Year | Value | 2022 | 220,880 | 2021 | 225,707 | 2020 | 227,628 | 2019 | 226,096 | 2018 | 220,915 | 2017 | 213,551 | 2016 | 205,168 | 2015 | 196,396 | 2014 | 186,630 | 2013 | 177,291 | 2012 | 168,378 | 2011 | 158,631 | 2010 | 149,292 | 2009 | 143,228 | 2008 | 139,798 | 2007 | 137,594 | 2006 | 136,812 | 2005 | 137,344 | 2004 | 138,970 | 2003 | 141,171 | 2002 | 143,257 | 2001 | 145,119 | 2000 | 147,073 | 1999 | 149,336 | 1998 | 151,457 | 1997 | 153,219 | 1996 | 154,871 | 1995 | 156,195 | 1994 | 156,969 | 1993 | 157,773 | 1992 | 158,278 | 1991 | 157,776 | 1990 | 156,797 | 1989 | 155,479 | 1988 | 153,822 | 1987 | 151,716 | 1986 | 148,678 | 1985 | 144,119 | 1984 | 137,733 | 1983 | 130,239 | 1982 | 122,517 | 1981 | 114,850 | 1980 | 107,434 | 1979 | 100,347 | 1978 | 93,760 | 1977 | 87,857 | 1976 | 82,668 | 1975 | 78,222 | 1974 | 74,535 | 1973 | 71,551 | 1972 | 69,036 | 1971 | 66,805 | 1970 | 64,791 | 1969 | 62,915 | 1968 | 61,122 | 1967 | 59,385 | 1966 | 57,683 | 1965 | 55,990 | 1964 | 54,279 | 1963 | 52,555 | 1962 | 50,862 | 1961 | 49,246 | 1960 | 47,755 |
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