Year | Value | 2022 | 30,315 | 2021 | 29,503 | 2020 | 28,767 | 2019 | 28,055 | 2018 | 27,452 | 2017 | 26,950 | 2016 | 26,548 | 2015 | 26,285 | 2014 | 26,047 | 2013 | 25,739 | 2012 | 25,377 | 2011 | 24,909 | 2010 | 24,319 | 2009 | 23,642 | 2008 | 22,894 | 2007 | 22,091 | 2006 | 21,309 | 2005 | 20,645 | 2004 | 20,351 | 2003 | 20,307 | 2002 | 20,159 | 2001 | 19,880 | 2000 | 19,483 | 1999 | 18,966 | 1998 | 18,335 | 1997 | 17,617 | 1996 | 17,025 | 1995 | 16,594 | 1994 | 16,163 | 1993 | 15,730 | 1992 | 15,291 | 1991 | 14,843 | 1990 | 14,389 | 1989 | 13,922 | 1988 | 13,439 | 1987 | 12,954 | 1986 | 12,491 | 1985 | 12,062 | 1984 | 11,671 | 1983 | 11,322 | 1982 | 11,007 | 1981 | 10,692 | 1980 | 10,358 | 1979 | 10,020 | 1978 | 9,671 | 1977 | 9,306 | 1976 | 8,952 | 1975 | 8,615 | 1974 | 8,290 | 1973 | 7,983 | 1972 | 7,690 | 1971 | 7,396 | 1970 | 7,089 | 1969 | 6,780 | 1968 | 6,468 | 1967 | 6,150 | 1966 | 5,836 | 1965 | 5,526 | 1964 | 5,214 | 1963 | 4,895 | 1962 | 4,578 | 1961 | 4,283 | 1960 | 4,024 |
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