Year | Value | 2022 | 37,523 | 2021 | 38,134 | 2020 | 39,092 | 2019 | 40,363 | 2018 | 41,857 | 2017 | 43,402 | 2016 | 44,548 | 2015 | 45,063 | 2014 | 45,055 | 2013 | 44,565 | 2012 | 43,721 | 2011 | 42,755 | 2010 | 41,884 | 2009 | 41,220 | 2008 | 40,827 | 2007 | 40,672 | 2006 | 40,618 | 2005 | 40,148 | 2004 | 38,586 | 2003 | 36,279 | 2002 | 33,855 | 2001 | 31,436 | 2000 | 29,146 | 1999 | 27,076 | 1998 | 25,624 | 1997 | 24,757 | 1996 | 24,000 | 1995 | 23,274 | 1994 | 22,762 | 1993 | 22,548 | 1992 | 23,450 | 1991 | 24,241 | 1990 | 23,746 | 1989 | 23,021 | 1988 | 22,229 | 1987 | 21,461 | 1986 | 20,717 | 1985 | 20,010 | 1984 | 19,344 | 1983 | 18,719 | 1982 | 18,144 | 1981 | 17,607 | 1980 | 17,083 | 1979 | 16,566 | 1978 | 16,052 | 1977 | 15,546 | 1976 | 15,059 | 1975 | 14,594 | 1974 | 14,296 | 1973 | 14,155 | 1972 | 14,125 | 1971 | 14,213 | 1970 | 14,307 | 1969 | 14,235 | 1968 | 14,000 | 1967 | 13,659 | 1966 | 13,204 | 1965 | 12,750 | 1964 | 12,321 | 1963 | 11,931 | 1962 | 11,571 | 1961 | 11,252 | 1960 | 10,974 |
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