| Year | Value | | 2022 | 229,286 | | 2021 | 221,309 | | 2020 | 213,860 | | 2019 | 206,220 | | 2018 | 197,351 | | 2017 | 186,551 | | 2016 | 174,127 | | 2015 | 161,035 | | 2014 | 147,907 | | 2013 | 136,103 | | 2012 | 127,416 | | 2011 | 121,805 | | 2010 | 118,424 | | 2009 | 116,773 | | 2008 | 116,788 | | 2007 | 117,914 | | 2006 | 119,414 | | 2005 | 121,218 | | 2004 | 123,233 | | 2003 | 125,199 | | 2002 | 126,814 | | 2001 | 128,130 | | 2000 | 129,140 | | 1999 | 129,675 | | 1998 | 129,724 | | 1997 | 129,578 | | 1996 | 129,126 | | 1995 | 128,514 | | 1994 | 127,671 | | 1993 | 126,265 | | 1992 | 124,576 | | 1991 | 122,636 | | 1990 | 120,525 | | 1989 | 118,197 | | 1988 | 115,655 | | 1987 | 112,971 | | 1986 | 110,136 | | 1985 | 107,153 | | 1984 | 104,097 | | 1983 | 100,994 | | 1982 | 97,805 | | 1981 | 94,536 | | 1980 | 91,231 | | 1979 | 87,876 | | 1978 | 84,375 | | 1977 | 80,735 | | 1976 | 77,112 | | 1975 | 73,588 | | 1974 | 70,264 | | 1973 | 67,154 | | 1972 | 64,281 | | 1971 | 61,600 | | 1970 | 58,890 | | 1969 | 56,182 | | 1968 | 53,575 | | 1967 | 51,061 | | 1966 | 48,642 | | 1965 | 46,274 | | 1964 | 43,818 | | 1963 | 40,860 | | 1962 | 37,381 | | 1961 | 33,811 | | 1960 | 30,324 |
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