Year | Value | 2022 | 43,276 | 2021 | 44,620 | 2020 | 45,583 | 2019 | 46,030 | 2018 | 45,929 | 2017 | 45,323 | 2016 | 44,154 | 2015 | 42,655 | 2014 | 41,222 | 2013 | 40,010 | 2012 | 39,101 | 2011 | 38,457 | 2010 | 37,986 | 2009 | 37,558 | 2008 | 37,023 | 2007 | 36,269 | 2006 | 35,255 | 2005 | 33,722 | 2004 | 31,446 | 2003 | 28,995 | 2002 | 26,897 | 2001 | 25,125 | 2000 | 23,608 | 1999 | 22,274 | 1998 | 21,267 | 1997 | 20,599 | 1996 | 20,033 | 1995 | 19,495 | 1994 | 19,136 | 1993 | 19,025 | 1992 | 19,877 | 1991 | 20,646 | 1990 | 20,330 | 1989 | 19,824 | 1988 | 19,274 | 1987 | 18,762 | 1986 | 18,278 | 1985 | 17,819 | 1984 | 17,383 | 1983 | 16,962 | 1982 | 16,556 | 1981 | 16,155 | 1980 | 15,752 | 1979 | 15,483 | 1978 | 15,341 | 1977 | 15,293 | 1976 | 15,357 | 1975 | 15,427 | 1974 | 15,336 | 1973 | 15,084 | 1972 | 14,720 | 1971 | 14,235 | 1970 | 13,740 | 1969 | 13,257 | 1968 | 12,807 | 1967 | 12,394 | 1966 | 12,004 | 1965 | 11,625 | 1964 | 11,257 | 1963 | 10,894 | 1962 | 10,526 | 1961 | 10,181 | 1960 | 9,870 |
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