Year | Value | 2022 | 17,079 | 2021 | 16,673 | 2020 | 16,269 | 2019 | 15,853 | 2018 | 15,414 | 2017 | 14,980 | 2016 | 14,545 | 2015 | 14,088 | 2014 | 13,603 | 2013 | 13,108 | 2012 | 12,633 | 2011 | 12,199 | 2010 | 11,810 | 2009 | 11,477 | 2008 | 11,180 | 2007 | 10,890 | 2006 | 10,605 | 2005 | 10,302 | 2004 | 9,958 | 2003 | 9,586 | 2002 | 9,193 | 2001 | 8,799 | 2000 | 8,433 | 1999 | 8,105 | 1998 | 7,770 | 1997 | 7,403 | 1996 | 7,049 | 1995 | 6,741 | 1994 | 6,478 | 1993 | 6,268 | 1992 | 6,080 | 1991 | 5,839 | 1990 | 5,570 | 1989 | 5,318 | 1988 | 5,064 | 1987 | 4,811 | 1986 | 4,575 | 1985 | 4,350 | 1984 | 4,117 | 1983 | 3,867 | 1982 | 3,602 | 1981 | 3,335 | 1980 | 3,112 | 1979 | 2,946 | 1978 | 2,828 | 1977 | 2,752 | 1976 | 2,714 | 1975 | 2,707 | 1974 | 2,730 | 1973 | 2,765 | 1972 | 2,790 | 1971 | 2,800 | 1970 | 2,806 | 1969 | 2,818 | 1968 | 2,838 | 1967 | 2,866 | 1966 | 2,891 | 1965 | 2,905 | 1964 | 2,904 | 1963 | 2,887 | 1962 | 2,859 | 1961 | 2,819 | 1960 | 2,775 |
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