Year | Value | 2022 | 40,094 | 2021 | 37,484 | 2020 | 34,757 | 2019 | 33,133 | 2018 | 32,285 | 2017 | 31,285 | 2016 | 30,575 | 2015 | 30,075 | 2014 | 29,435 | 2013 | 28,503 | 2012 | 27,590 | 2011 | 26,734 | 2010 | 25,888 | 2009 | 24,745 | 2008 | 23,519 | 2007 | 22,558 | 2006 | 21,749 | 2005 | 21,014 | 2004 | 20,297 | 2003 | 19,603 | 2002 | 19,054 | 2001 | 18,621 | 2000 | 18,315 | 1999 | 18,135 | 1998 | 17,922 | 1997 | 17,855 | 1996 | 18,212 | 1995 | 18,623 | 1994 | 17,950 | 1993 | 18,230 | 1992 | 19,234 | 1991 | 19,229 | 1990 | 19,351 | 1989 | 19,472 | 1988 | 19,620 | 1987 | 19,669 | 1986 | 19,570 | 1985 | 19,433 | 1984 | 19,180 | 1983 | 18,830 | 1982 | 18,405 | 1981 | 18,010 | 1980 | 17,432 | 1979 | 16,862 | 1978 | 16,522 | 1977 | 16,139 | 1976 | 15,782 | 1975 | 15,450 | 1974 | 15,084 | 1973 | 14,745 | 1972 | 14,818 | 1971 | 14,832 | 1970 | 14,416 | 1969 | 13,982 | 1968 | 13,484 | 1967 | 12,926 | 1966 | 12,400 | 1965 | 11,999 | 1964 | 11,652 | 1963 | 11,375 | 1962 | 11,257 | 1961 | 11,122 | 1960 | 10,965 |
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