| Year | Value | | 2022 | 82,147 | | 2021 | 81,523 | | 2020 | 80,941 | | 2019 | 80,700 | | 2018 | 80,828 | | 2017 | 80,991 | | 2016 | 81,160 | | 2015 | 81,422 | | 2014 | 81,752 | | 2013 | 82,049 | | 2012 | 82,309 | | 2011 | 82,384 | | 2010 | 82,267 | | 2009 | 82,142 | | 2008 | 82,037 | | 2007 | 81,869 | | 2006 | 81,571 | | 2005 | 81,174 | | 2004 | 80,744 | | 2003 | 80,293 | | 2002 | 79,857 | | 2001 | 79,429 | | 2000 | 78,992 | | 1999 | 78,542 | | 1998 | 78,080 | | 1997 | 77,580 | | 1996 | 77,253 | | 1995 | 77,118 | | 1994 | 76,960 | | 1993 | 76,808 | | 1992 | 76,660 | | 1991 | 76,499 | | 1990 | 76,312 | | 1989 | 76,075 | | 1988 | 75,765 | | 1987 | 75,373 | | 1986 | 75,239 | | 1985 | 75,443 | | 1984 | 75,636 | | 1983 | 75,823 | | 1982 | 76,000 | | 1981 | 76,147 | | 1980 | 76,250 | | 1979 | 76,302 | | 1978 | 76,290 | | 1977 | 76,195 | | 1976 | 75,588 | | 1975 | 74,467 | | 1974 | 73,323 | | 1973 | 72,238 | | 1972 | 71,199 | | 1971 | 70,132 | | 1970 | 69,025 | | 1969 | 67,864 | | 1968 | 66,638 | | 1967 | 65,301 | | 1966 | 63,909 | | 1965 | 62,538 | | 1964 | 61,117 | | 1963 | 59,707 | | 1962 | 58,315 | | 1961 | 56,950 | | 1960 | 55,593 |
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