Year | Value | 2022 | 49,140 | 2021 | 47,986 | 2020 | 46,624 | 2019 | 45,023 | 2018 | 43,238 | 2017 | 41,382 | 2016 | 39,807 | 2015 | 38,436 | 2014 | 37,299 | 2013 | 36,547 | 2012 | 36,137 | 2011 | 35,823 | 2010 | 35,445 | 2009 | 34,965 | 2008 | 34,272 | 2007 | 33,336 | 2006 | 32,455 | 2005 | 31,822 | 2004 | 31,322 | 2003 | 30,883 | 2002 | 30,546 | 2001 | 30,256 | 2000 | 29,938 | 1999 | 29,685 | 1998 | 29,548 | 1997 | 29,472 | 1996 | 29,488 | 1995 | 29,612 | 1994 | 29,887 | 1993 | 30,337 | 1992 | 30,870 | 1991 | 31,219 | 1990 | 31,247 | 1989 | 30,933 | 1988 | 30,173 | 1987 | 29,086 | 1986 | 28,024 | 1985 | 27,197 | 1984 | 26,666 | 1983 | 26,460 | 1982 | 26,457 | 1981 | 26,340 | 1980 | 25,932 | 1979 | 25,215 | 1978 | 24,156 | 1977 | 22,884 | 1976 | 21,628 | 1975 | 20,510 | 1974 | 19,507 | 1973 | 18,628 | 1972 | 17,870 | 1971 | 17,134 | 1970 | 16,392 | 1969 | 15,684 | 1968 | 14,992 | 1967 | 14,301 | 1966 | 13,663 | 1965 | 13,142 | 1964 | 12,700 | 1963 | 12,260 | 1962 | 11,857 | 1961 | 11,572 | 1960 | 11,321 |
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