Year | Value | 2022 | 48,227 | 2021 | 47,294 | 2020 | 46,226 | 2019 | 45,289 | 2018 | 44,329 | 2017 | 43,218 | 2016 | 42,112 | 2015 | 40,987 | 2014 | 39,725 | 2013 | 38,390 | 2012 | 37,068 | 2011 | 35,704 | 2010 | 34,232 | 2009 | 32,921 | 2008 | 31,872 | 2007 | 30,903 | 2006 | 30,046 | 2005 | 29,296 | 2004 | 28,375 | 2003 | 27,313 | 2002 | 26,407 | 2001 | 25,687 | 2000 | 25,122 | 1999 | 24,696 | 1998 | 24,309 | 1997 | 23,849 | 1996 | 23,302 | 1995 | 22,775 | 1994 | 22,282 | 1993 | 21,774 | 1992 | 21,262 | 1991 | 20,827 | 1990 | 20,407 | 1989 | 19,941 | 1988 | 19,474 | 1987 | 18,987 | 1986 | 18,515 | 1985 | 18,056 | 1984 | 17,527 | 1983 | 17,004 | 1982 | 16,526 | 1981 | 16,104 | 1980 | 15,726 | 1979 | 15,405 | 1978 | 15,102 | 1977 | 14,781 | 1976 | 14,416 | 1975 | 14,004 | 1974 | 13,582 | 1973 | 13,149 | 1972 | 12,713 | 1971 | 12,273 | 1970 | 11,809 | 1969 | 11,334 | 1968 | 10,914 | 1967 | 10,574 | 1966 | 10,242 | 1965 | 9,904 | 1964 | 9,608 | 1963 | 9,359 | 1962 | 9,134 | 1961 | 8,908 | 1960 | 8,693 |
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