Year | Value | 2022 | 40,946 | 2021 | 40,142 | 2020 | 39,200 | 2019 | 38,167 | 2018 | 37,118 | 2017 | 36,142 | 2016 | 35,235 | 2015 | 34,438 | 2014 | 33,562 | 2013 | 32,330 | 2012 | 30,673 | 2011 | 28,698 | 2010 | 26,723 | 2009 | 25,045 | 2008 | 23,648 | 2007 | 22,333 | 2006 | 21,147 | 2005 | 20,094 | 2004 | 19,071 | 2003 | 18,262 | 2002 | 17,833 | 2001 | 17,680 | 2000 | 17,561 | 1999 | 17,380 | 1998 | 17,061 | 1997 | 16,607 | 1996 | 15,984 | 1995 | 15,429 | 1994 | 15,052 | 1993 | 14,812 | 1992 | 14,909 | 1991 | 15,271 | 1990 | 15,733 | 1989 | 16,084 | 1988 | 16,141 | 1987 | 15,907 | 1986 | 15,401 | 1985 | 14,707 | 1984 | 13,938 | 1983 | 13,197 | 1982 | 12,594 | 1981 | 12,075 | 1980 | 11,702 | 1979 | 11,550 | 1978 | 11,538 | 1977 | 11,537 | 1976 | 11,385 | 1975 | 11,105 | 1974 | 10,724 | 1973 | 10,311 | 1972 | 9,874 | 1971 | 9,420 | 1970 | 9,012 | 1969 | 8,690 | 1968 | 8,463 | 1967 | 8,325 | 1966 | 8,256 | 1965 | 8,218 | 1964 | 8,169 | 1963 | 8,092 | 1962 | 7,875 | 1961 | 7,431 | 1960 | 7,075 |
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