| Year | Value | | 2022 | 239,499 | | 2021 | 232,983 | | 2020 | 227,011 | | 2019 | 221,717 | | 2018 | 216,993 | | 2017 | 212,553 | | 2016 | 208,496 | | 2015 | 204,768 | | 2014 | 201,081 | | 2013 | 197,342 | | 2012 | 193,338 | | 2011 | 188,889 | | 2010 | 184,014 | | 2009 | 178,715 | | 2008 | 173,080 | | 2007 | 167,311 | | 2006 | 161,513 | | 2005 | 155,810 | | 2004 | 150,106 | | 2003 | 144,450 | | 2002 | 139,169 | | 2001 | 134,318 | | 2000 | 129,832 | | 1999 | 125,583 | | 1998 | 121,512 | | 1997 | 117,579 | | 1996 | 113,788 | | 1995 | 110,418 | | 1994 | 107,483 | | 1993 | 104,732 | | 1992 | 102,204 | | 1991 | 99,908 | | 1990 | 97,841 | | 1989 | 95,463 | | 1988 | 92,572 | | 1987 | 89,417 | | 1986 | 85,857 | | 1985 | 82,123 | | 1984 | 78,973 | | 1983 | 76,556 | | 1982 | 74,594 | | 1981 | 73,020 | | 1980 | 71,553 | | 1979 | 70,419 | | 1978 | 69,358 | | 1977 | 67,861 | | 1976 | 66,231 | | 1975 | 64,603 | | 1974 | 62,955 | | 1973 | 61,341 | | 1972 | 59,868 | | 1971 | 58,382 | | 1970 | 56,761 | | 1969 | 55,113 | | 1968 | 53,451 | | 1967 | 51,806 | | 1966 | 50,257 | | 1965 | 48,842 | | 1964 | 47,549 | | 1963 | 46,369 | | 1962 | 45,266 | | 1961 | 44,162 | | 1960 | 43,008 |
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