Year | Value | 2022 | 40,787 | 2021 | 39,062 | 2020 | 37,793 | 2019 | 37,006 | 2018 | 36,185 | 2017 | 35,285 | 2016 | 34,483 | 2015 | 33,359 | 2014 | 31,874 | 2013 | 30,390 | 2012 | 29,033 | 2011 | 27,628 | 2010 | 26,174 | 2009 | 24,743 | 2008 | 23,374 | 2007 | 22,058 | 2006 | 20,800 | 2005 | 19,644 | 2004 | 18,590 | 2003 | 17,653 | 2002 | 16,842 | 2001 | 16,141 | 2000 | 15,550 | 1999 | 15,085 | 1998 | 14,740 | 1997 | 14,472 | 1996 | 14,274 | 1995 | 14,111 | 1994 | 13,948 | 1993 | 13,780 | 1992 | 13,634 | 1991 | 13,530 | 1990 | 13,474 | 1989 | 13,472 | 1988 | 13,478 | 1987 | 13,479 | 1986 | 13,481 | 1985 | 13,487 | 1984 | 13,547 | 1983 | 13,653 | 1982 | 13,745 | 1981 | 13,782 | 1980 | 13,739 | 1979 | 13,605 | 1978 | 13,396 | 1977 | 13,161 | 1976 | 12,924 | 1975 | 12,651 | 1974 | 12,329 | 1973 | 12,001 | 1972 | 11,704 | 1971 | 11,448 | 1970 | 11,229 | 1969 | 11,076 | 1968 | 10,988 | 1967 | 10,896 | 1966 | 10,763 | 1965 | 10,574 | 1964 | 10,323 | 1963 | 9,993 | 1962 | 9,595 | 1961 | 9,178 | 1960 | 8,770 |
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