| Year | Value | | 2022 | 83,210 | | 2021 | 83,552 | | 2020 | 85,215 | | 2019 | 87,317 | | 2018 | 89,637 | | 2017 | 92,924 | | 2016 | 97,322 | | 2015 | 101,667 | | 2014 | 105,152 | | 2013 | 108,131 | | 2012 | 110,715 | | 2011 | 112,760 | | 2010 | 115,274 | | 2009 | 118,014 | | 2008 | 120,171 | | 2007 | 122,665 | | 2006 | 126,230 | | 2005 | 130,932 | | 2004 | 135,491 | | 2003 | 138,688 | | 2002 | 140,043 | | 2001 | 139,215 | | 2000 | 136,723 | | 1999 | 132,984 | | 1998 | 128,293 | | 1997 | 123,965 | | 1996 | 121,089 | | 1995 | 119,519 | | 1994 | 119,274 | | 1993 | 119,851 | | 1992 | 119,581 | | 1991 | 117,954 | | 1990 | 116,292 | | 1989 | 113,402 | | 1988 | 110,620 | | 1987 | 111,514 | | 1986 | 114,522 | | 1985 | 116,425 | | 1984 | 118,444 | | 1983 | 121,010 | | 1982 | 121,759 | | 1981 | 122,144 | | 1980 | 123,318 | | 1979 | 124,120 | | 1978 | 124,278 | | 1977 | 124,585 | | 1976 | 124,103 | | 1975 | 123,683 | | 1974 | 124,426 | | 1973 | 125,488 | | 1972 | 125,713 | | 1971 | 125,040 | | 1970 | 123,883 | | 1969 | 122,058 | | 1968 | 119,107 | | 1967 | 115,172 | | 1966 | 110,512 | | 1965 | 104,623 | | 1964 | 97,823 | | 1963 | 90,126 | | 1962 | 82,349 | | 1961 | 76,075 | | 1960 | 72,029 |
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