| Year | Value | | 2022 | 125,290 | | 2021 | 116,223 | | 2020 | 108,662 | | 2019 | 100,621 | | 2018 | 89,028 | | 2017 | 76,086 | | 2016 | 66,961 | | 2015 | 57,158 | | 2014 | 47,393 | | 2013 | 40,579 | | 2012 | 33,345 | | 2011 | 27,319 | | 2010 | 23,743 | | 2009 | 22,095 | | 2008 | 20,691 | | 2007 | 19,378 | | 2006 | 18,085 | | 2005 | 16,858 | | 2004 | 15,896 | | 2003 | 15,220 | | 2002 | 14,708 | | 2001 | 14,346 | | 2000 | 14,042 | | 1999 | 13,649 | | 1998 | 13,042 | | 1997 | 12,170 | | 1996 | 11,066 | | 1995 | 10,531 | | 1994 | 12,154 | | 1993 | 15,070 | | 1992 | 15,505 | | 1991 | 12,114 | | 1990 | 13,327 | | 1989 | 15,865 | | 1988 | 13,708 | | 1987 | 11,771 | | 1986 | 10,063 | | 1985 | 9,119 | | 1984 | 8,714 | | 1983 | 8,380 | | 1982 | 8,195 | | 1981 | 8,015 | | 1980 | 7,744 | | 1979 | 7,439 | | 1978 | 7,273 | | 1977 | 7,183 | | 1976 | 7,064 | | 1975 | 6,721 | | 1974 | 6,167 | | 1973 | 5,554 | | 1972 | 4,925 | | 1971 | 4,385 | | 1970 | 3,966 | | 1969 | 3,662 | | 1968 | 3,493 | | 1967 | 3,428 | | 1966 | 3,391 | | 1965 | 3,319 | | 1964 | 3,222 | | 1963 | 3,113 | | 1962 | 2,987 | | 1961 | 2,825 | | 1960 | 2,633 |
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