Year | Value | 2022 | 19,200 | 2021 | 17,002 | 2020 | 15,298 | 2019 | 13,597 | 2018 | 12,053 | 2017 | 11,039 | 2016 | 10,212 | 2015 | 9,995 | 2014 | 9,917 | 2013 | 9,176 | 2012 | 8,217 | 2011 | 7,513 | 2010 | 6,878 | 2009 | 6,217 | 2008 | 5,663 | 2007 | 5,226 | 2006 | 4,917 | 2005 | 4,723 | 2004 | 4,599 | 2003 | 4,437 | 2002 | 4,195 | 2001 | 3,907 | 2000 | 3,612 | 1999 | 3,344 | 1998 | 3,125 | 1997 | 2,954 | 1996 | 2,821 | 1995 | 2,842 | 1994 | 3,229 | 1993 | 3,762 | 1992 | 3,816 | 1991 | 3,049 | 1990 | 3,455 | 1989 | 4,226 | 1988 | 3,770 | 1987 | 3,336 | 1986 | 2,956 | 1985 | 2,729 | 1984 | 2,619 | 1983 | 2,560 | 1982 | 2,560 | 1981 | 2,572 | 1980 | 2,574 | 1979 | 2,577 | 1978 | 2,596 | 1977 | 2,619 | 1976 | 2,645 | 1975 | 2,619 | 1974 | 2,552 | 1973 | 2,501 | 1972 | 2,458 | 1971 | 2,397 | 1970 | 2,275 | 1969 | 2,082 | 1968 | 1,839 | 1967 | 1,572 | 1966 | 1,327 | 1965 | 1,161 | 1964 | 1,070 | 1963 | 1,024 | 1962 | 1,016 | 1961 | 998 | 1960 | 955 |
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