| Year | Value | | 2022 | 265,058 | | 2021 | 257,303 | | 2020 | 250,720 | | 2019 | 243,451 | | 2018 | 234,538 | | 2017 | 224,373 | | 2016 | 213,365 | | 2015 | 202,473 | | 2014 | 191,985 | | 2013 | 182,373 | | 2012 | 174,610 | | 2011 | 168,354 | | 2010 | 162,397 | | 2009 | 156,376 | | 2008 | 150,350 | | 2007 | 144,466 | | 2006 | 138,942 | | 2005 | 133,824 | | 2004 | 129,099 | | 2003 | 124,880 | | 2002 | 121,163 | | 2001 | 117,720 | | 2000 | 114,411 | | 1999 | 111,252 | | 1998 | 108,228 | | 1997 | 105,265 | | 1996 | 102,347 | | 1995 | 99,476 | | 1994 | 96,618 | | 1993 | 93,736 | | 1992 | 90,847 | | 1991 | 88,006 | | 1990 | 85,252 | | 1989 | 82,582 | | 1988 | 79,982 | | 1987 | 77,537 | | 1986 | 75,400 | | 1985 | 73,622 | | 1984 | 72,195 | | 1983 | 71,163 | | 1982 | 70,320 | | 1981 | 69,251 | | 1980 | 67,745 | | 1979 | 65,847 | | 1978 | 63,576 | | 1977 | 61,083 | | 1976 | 58,767 | | 1975 | 56,869 | | 1974 | 55,337 | | 1973 | 54,139 | | 1972 | 53,241 | | 1971 | 52,420 | | 1970 | 51,544 | | 1969 | 50,645 | | 1968 | 49,726 | | 1967 | 48,782 | | 1966 | 47,919 | | 1965 | 47,204 | | 1964 | 46,618 | | 1963 | 46,155 | | 1962 | 45,808 | | 1961 | 45,509 | | 1960 | 45,219 |
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