Year | Value | 2022 | 26,161 | 2021 | 25,107 | 2020 | 24,027 | 2019 | 23,050 | 2018 | 22,281 | 2017 | 21,616 | 2016 | 21,064 | 2015 | 20,627 | 2014 | 20,073 | 2013 | 19,385 | 2012 | 18,791 | 2011 | 18,301 | 2010 | 17,889 | 2009 | 17,574 | 2008 | 17,303 | 2007 | 16,984 | 2006 | 16,600 | 2005 | 16,215 | 2004 | 15,833 | 2003 | 15,426 | 2002 | 15,034 | 2001 | 14,685 | 2000 | 14,344 | 1999 | 13,990 | 1998 | 13,656 | 1997 | 13,359 | 1996 | 13,088 | 1995 | 12,863 | 1994 | 12,675 | 1993 | 12,492 | 1992 | 12,315 | 1991 | 12,184 | 1990 | 12,072 | 1989 | 11,932 | 1988 | 11,782 | 1987 | 11,623 | 1986 | 11,365 | 1985 | 11,030 | 1984 | 10,729 | 1983 | 10,443 | 1982 | 10,150 | 1981 | 9,854 | 1980 | 9,560 | 1979 | 9,153 | 1978 | 8,727 | 1977 | 8,424 | 1976 | 8,172 | 1975 | 7,931 | 1974 | 7,710 | 1973 | 7,535 | 1972 | 7,376 | 1971 | 7,200 | 1970 | 7,032 | 1969 | 6,897 | 1968 | 6,808 | 1967 | 6,743 | 1966 | 6,662 | 1965 | 6,553 | 1964 | 6,439 | 1963 | 6,321 | 1962 | 6,224 | 1961 | 6,160 | 1960 | 6,118 |
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