| Year | Value | | 2022 | 259,747 | | 2021 | 249,059 | | 2020 | 238,796 | | 2019 | 229,112 | | 2018 | 220,211 | | 2017 | 212,173 | | 2016 | 204,967 | | 2015 | 198,445 | | 2014 | 192,391 | | 2013 | 186,580 | | 2012 | 183,545 | | 2011 | 183,223 | | 2010 | 182,477 | | 2009 | 180,997 | | 2008 | 178,554 | | 2007 | 174,355 | | 2006 | 169,338 | | 2005 | 164,916 | | 2004 | 160,962 | | 2003 | 157,440 | | 2002 | 154,335 | | 2001 | 151,556 | | 2000 | 148,122 | | 1999 | 143,723 | | 1998 | 139,440 | | 1997 | 135,434 | | 1996 | 132,175 | | 1995 | 129,710 | | 1994 | 126,679 | | 1993 | 122,888 | | 1992 | 118,115 | | 1991 | 113,514 | | 1990 | 110,068 | | 1989 | 107,272 | | 1988 | 104,688 | | 1987 | 101,806 | | 1986 | 98,951 | | 1985 | 96,018 | | 1984 | 92,938 | | 1983 | 89,757 | | 1982 | 86,512 | | 1981 | 83,264 | | 1980 | 80,089 | | 1979 | 77,025 | | 1978 | 74,094 | | 1977 | 71,296 | | 1976 | 68,581 | | 1975 | 65,957 | | 1974 | 63,479 | | 1973 | 61,133 | | 1972 | 58,934 | | 1971 | 56,897 | | 1970 | 54,997 | | 1969 | 53,151 | | 1968 | 51,583 | | 1967 | 50,424 | | 1966 | 49,457 | | 1965 | 48,597 | | 1964 | 47,865 | | 1963 | 47,002 | | 1962 | 45,850 | | 1961 | 44,616 | | 1960 | 43,428 |
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