Year | Value | 2022 | 44,107 | 2021 | 44,206 | 2020 | 44,380 | 2019 | 43,703 | 2018 | 42,277 | 2017 | 40,804 | 2016 | 39,348 | 2015 | 38,003 | 2014 | 36,659 | 2013 | 35,244 | 2012 | 33,833 | 2011 | 32,463 | 2010 | 31,166 | 2009 | 29,931 | 2008 | 28,717 | 2007 | 27,517 | 2006 | 26,336 | 2005 | 25,222 | 2004 | 24,284 | 2003 | 23,502 | 2002 | 22,771 | 2001 | 22,077 | 2000 | 21,418 | 1999 | 20,794 | 1998 | 20,208 | 1997 | 19,657 | 1996 | 19,154 | 1995 | 18,663 | 1994 | 18,086 | 1993 | 17,439 | 1992 | 16,805 | 1991 | 16,199 | 1990 | 15,610 | 1989 | 15,042 | 1988 | 14,497 | 1987 | 13,960 | 1986 | 13,464 | 1985 | 12,997 | 1984 | 12,537 | 1983 | 12,124 | 1982 | 11,746 | 1981 | 11,383 | 1980 | 11,027 | 1979 | 10,688 | 1978 | 10,355 | 1977 | 10,033 | 1976 | 9,750 | 1975 | 9,521 | 1974 | 9,345 | 1973 | 9,234 | 1972 | 9,178 | 1971 | 9,146 | 1970 | 9,114 | 1969 | 9,082 | 1968 | 9,056 | 1967 | 9,034 | 1966 | 9,017 | 1965 | 9,007 | 1964 | 8,997 | 1963 | 9,011 | 1962 | 9,024 | 1961 | 8,983 | 1960 | 8,891 |
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