Year | Value | 2022 | 30,394 | 2021 | 29,603 | 2020 | 28,823 | 2019 | 27,934 | 2018 | 26,939 | 2017 | 26,010 | 2016 | 25,229 | 2015 | 24,675 | 2014 | 24,360 | 2013 | 24,190 | 2012 | 24,008 | 2011 | 23,638 | 2010 | 22,839 | 2009 | 21,609 | 2008 | 20,224 | 2007 | 18,911 | 2006 | 17,833 | 2005 | 17,064 | 2004 | 16,548 | 2003 | 16,130 | 2002 | 15,668 | 2001 | 15,095 | 2000 | 14,429 | 1999 | 13,822 | 1998 | 13,188 | 1997 | 12,449 | 1996 | 11,739 | 1995 | 11,060 | 1994 | 10,384 | 1993 | 9,833 | 1992 | 9,431 | 1991 | 9,047 | 1990 | 8,676 | 1989 | 8,329 | 1988 | 8,011 | 1987 | 7,716 | 1986 | 7,432 | 1985 | 7,142 | 1984 | 6,840 | 1983 | 6,532 | 1982 | 6,224 | 1981 | 5,942 | 1980 | 5,733 | 1979 | 5,619 | 1978 | 5,606 | 1977 | 5,665 | 1976 | 5,810 | 1975 | 6,015 | 1974 | 6,225 | 1973 | 6,442 | 1972 | 6,658 | 1971 | 6,862 | 1970 | 7,031 | 1969 | 7,130 | 1968 | 7,107 | 1967 | 7,005 | 1966 | 6,895 | 1965 | 6,781 | 1964 | 6,662 | 1963 | 6,537 | 1962 | 6,414 | 1961 | 6,297 | 1960 | 6,193 |
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