| Year | Value | | 2022 | 162,353 | | 2021 | 156,829 | | 2020 | 150,158 | | 2019 | 143,053 | | 2018 | 135,978 | | 2017 | 129,277 | | 2016 | 123,664 | | 2015 | 120,309 | | 2014 | 118,105 | | 2013 | 115,547 | | 2012 | 113,371 | | 2011 | 111,497 | | 2010 | 109,562 | | 2009 | 107,376 | | 2008 | 104,876 | | 2007 | 102,307 | | 2006 | 99,794 | | 2005 | 97,715 | | 2004 | 95,667 | | 2003 | 94,088 | | 2002 | 93,061 | | 2001 | 92,061 | | 2000 | 91,156 | | 1999 | 89,567 | | 1998 | 86,794 | | 1997 | 83,715 | | 1996 | 80,367 | | 1995 | 76,837 | | 1994 | 75,577 | | 1993 | 76,655 | | 1992 | 78,131 | | 1991 | 79,486 | | 1990 | 80,701 | | 1989 | 80,911 | | 1988 | 80,185 | | 1987 | 79,286 | | 1986 | 78,258 | | 1985 | 77,252 | | 1984 | 75,829 | | 1983 | 74,042 | | 1982 | 72,309 | | 1981 | 70,780 | | 1980 | 68,930 | | 1979 | 66,976 | | 1978 | 65,014 | | 1977 | 62,720 | | 1976 | 60,399 | | 1975 | 58,423 | | 1974 | 56,407 | | 1973 | 54,615 | | 1972 | 53,157 | | 1971 | 51,601 | | 1970 | 50,056 | | 1969 | 48,604 | | 1968 | 47,484 | | 1967 | 46,424 | | 1966 | 45,365 | | 1965 | 44,819 | | 1964 | 44,462 | | 1963 | 44,234 | | 1962 | 44,173 | | 1961 | 43,695 | | 1960 | 43,154 |
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