Year | Value | 2022 | 42,162 | 2021 | 40,991 | 2020 | 39,533 | 2019 | 37,884 | 2018 | 36,193 | 2017 | 34,625 | 2016 | 33,221 | 2015 | 32,000 | 2014 | 30,950 | 2013 | 30,043 | 2012 | 29,249 | 2011 | 28,555 | 2010 | 27,935 | 2009 | 27,332 | 2008 | 26,628 | 2007 | 25,828 | 2006 | 25,038 | 2005 | 24,262 | 2004 | 23,502 | 2003 | 22,862 | 2002 | 22,395 | 2001 | 21,932 | 2000 | 21,304 | 1999 | 20,544 | 1998 | 19,753 | 1997 | 18,968 | 1996 | 18,194 | 1995 | 17,435 | 1994 | 16,691 | 1993 | 15,972 | 1992 | 15,375 | 1991 | 14,985 | 1990 | 14,723 | 1989 | 14,281 | 1988 | 13,925 | 1987 | 13,884 | 1986 | 13,836 | 1985 | 13,717 | 1984 | 13,523 | 1983 | 13,245 | 1982 | 12,906 | 1981 | 12,660 | 1980 | 12,546 | 1979 | 12,445 | 1978 | 12,424 | 1977 | 12,443 | 1976 | 12,385 | 1975 | 12,264 | 1974 | 12,095 | 1973 | 11,907 | 1972 | 11,689 | 1971 | 11,456 | 1970 | 11,229 | 1969 | 10,997 | 1968 | 10,756 | 1967 | 10,523 | 1966 | 10,321 | 1965 | 10,162 | 1964 | 10,043 | 1963 | 9,970 | 1962 | 9,924 | 1961 | 9,850 | 1960 | 9,722 |
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