| Year | Value | | 2022 | 112,501 | | 2021 | 104,281 | | 2020 | 96,335 | | 2019 | 90,236 | | 2018 | 85,350 | | 2017 | 81,721 | | 2016 | 79,309 | | 2015 | 77,346 | | 2014 | 74,960 | | 2013 | 72,916 | | 2012 | 72,109 | | 2011 | 72,463 | | 2010 | 73,437 | | 2009 | 74,693 | | 2008 | 76,235 | | 2007 | 77,505 | | 2006 | 78,463 | | 2005 | 79,636 | | 2004 | 81,260 | | 2003 | 83,484 | | 2002 | 86,021 | | 2001 | 88,556 | | 2000 | 91,416 | | 1999 | 92,828 | | 1998 | 92,408 | | 1997 | 92,084 | | 1996 | 91,041 | | 1995 | 88,558 | | 1994 | 86,891 | | 1993 | 86,412 | | 1992 | 85,319 | | 1991 | 84,361 | | 1990 | 83,698 | | 1989 | 83,135 | | 1988 | 82,275 | | 1987 | 80,956 | | 1986 | 79,547 | | 1985 | 78,199 | | 1984 | 76,719 | | 1983 | 75,377 | | 1982 | 74,334 | | 1981 | 73,184 | | 1980 | 72,072 | | 1979 | 70,818 | | 1978 | 69,463 | | 1977 | 68,022 | | 1976 | 66,328 | | 1975 | 64,630 | | 1974 | 62,880 | | 1973 | 61,077 | | 1972 | 59,097 | | 1971 | 57,029 | | 1970 | 55,028 | | 1969 | 53,173 | | 1968 | 51,400 | | 1967 | 49,816 | | 1966 | 48,241 | | 1965 | 46,597 | | 1964 | 45,555 | | 1963 | 44,890 | | 1962 | 43,862 | | 1961 | 42,502 | | 1960 | 41,304 |
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