Year | Value | 2022 | 36,809 | 2021 | 36,106 | 2020 | 35,046 | 2019 | 33,725 | 2018 | 32,290 | 2017 | 30,936 | 2016 | 29,900 | 2015 | 29,154 | 2014 | 28,492 | 2013 | 27,807 | 2012 | 26,999 | 2011 | 26,057 | 2010 | 25,033 | 2009 | 23,997 | 2008 | 23,034 | 2007 | 22,194 | 2006 | 21,457 | 2005 | 20,789 | 2004 | 20,176 | 2003 | 19,611 | 2002 | 19,079 | 2001 | 18,567 | 2000 | 18,056 | 1999 | 17,535 | 1998 | 16,967 | 1997 | 16,408 | 1996 | 15,915 | 1995 | 15,444 | 1994 | 15,119 | 1993 | 14,999 | 1992 | 15,641 | 1991 | 16,220 | 1990 | 15,940 | 1989 | 15,532 | 1988 | 15,108 | 1987 | 14,696 | 1986 | 14,293 | 1985 | 13,907 | 1984 | 13,634 | 1983 | 13,455 | 1982 | 13,363 | 1981 | 13,364 | 1980 | 13,362 | 1979 | 13,241 | 1978 | 13,004 | 1977 | 12,676 | 1976 | 12,249 | 1975 | 11,823 | 1974 | 11,419 | 1973 | 11,051 | 1972 | 10,713 | 1971 | 10,392 | 1970 | 10,078 | 1969 | 9,770 | 1968 | 9,464 | 1967 | 9,162 | 1966 | 8,869 | 1965 | 8,589 | 1964 | 8,318 | 1963 | 8,056 | 1962 | 7,798 | 1961 | 7,555 | 1960 | 7,330 |
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