Year | Value | 2022 | 39,733 | 2021 | 38,196 | 2020 | 37,290 | 2019 | 36,015 | 2018 | 34,401 | 2017 | 33,012 | 2016 | 31,593 | 2015 | 30,098 | 2014 | 28,563 | 2013 | 27,007 | 2012 | 25,499 | 2011 | 23,895 | 2010 | 22,179 | 2009 | 20,509 | 2008 | 18,895 | 2007 | 17,550 | 2006 | 16,357 | 2005 | 15,403 | 2004 | 14,609 | 2003 | 13,913 | 2002 | 13,282 | 2001 | 12,673 | 2000 | 12,160 | 1999 | 11,893 | 1998 | 12,186 | 1997 | 12,994 | 1996 | 13,876 | 1995 | 14,567 | 1994 | 14,752 | 1993 | 14,618 | 1992 | 14,442 | 1991 | 14,170 | 1990 | 13,784 | 1989 | 13,306 | 1988 | 12,878 | 1987 | 12,559 | 1986 | 12,167 | 1985 | 11,770 | 1984 | 11,532 | 1983 | 11,347 | 1982 | 11,054 | 1981 | 10,579 | 1980 | 9,985 | 1979 | 9,384 | 1978 | 8,909 | 1977 | 8,522 | 1976 | 8,171 | 1975 | 7,847 | 1974 | 7,600 | 1973 | 7,452 | 1972 | 7,333 | 1971 | 7,252 | 1970 | 7,215 | 1969 | 7,205 | 1968 | 7,173 | 1967 | 7,074 | 1966 | 6,961 | 1965 | 6,861 | 1964 | 6,763 | 1963 | 6,630 | 1962 | 6,534 | 1961 | 6,525 | 1960 | 6,503 |
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