Year | Value | 2022 | 46,761 | 2021 | 45,155 | 2020 | 43,562 | 2019 | 41,890 | 2018 | 40,185 | 2017 | 38,533 | 2016 | 36,943 | 2015 | 35,430 | 2014 | 33,976 | 2013 | 32,644 | 2012 | 31,642 | 2011 | 31,098 | 2010 | 30,979 | 2009 | 31,260 | 2008 | 31,515 | 2007 | 31,098 | 2006 | 30,237 | 2005 | 29,401 | 2004 | 28,525 | 2003 | 27,638 | 2002 | 26,827 | 2001 | 26,051 | 2000 | 25,251 | 1999 | 24,530 | 1998 | 23,924 | 1997 | 23,317 | 1996 | 22,774 | 1995 | 22,287 | 1994 | 21,725 | 1993 | 21,096 | 1992 | 20,407 | 1991 | 19,759 | 1990 | 19,217 | 1989 | 18,717 | 1988 | 18,223 | 1987 | 17,707 | 1986 | 17,208 | 1985 | 16,721 | 1984 | 16,250 | 1983 | 15,795 | 1982 | 15,352 | 1981 | 14,924 | 1980 | 14,511 | 1979 | 14,111 | 1978 | 13,723 | 1977 | 13,345 | 1976 | 12,967 | 1975 | 12,586 | 1974 | 12,210 | 1973 | 11,841 | 1972 | 11,476 | 1971 | 11,116 | 1970 | 10,760 | 1969 | 10,411 | 1968 | 10,064 | 1967 | 9,719 | 1966 | 9,385 | 1965 | 9,061 | 1964 | 8,749 | 1963 | 8,451 | 1962 | 8,164 | 1961 | 7,876 | 1960 | 7,577 |
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