Year | Value | 2022 | 39,023 | 2021 | 38,747 | 2020 | 38,451 | 2019 | 37,707 | 2018 | 36,853 | 2017 | 36,416 | 2016 | 36,202 | 2015 | 36,116 | 2014 | 36,493 | 2013 | 36,909 | 2012 | 36,749 | 2011 | 36,078 | 2010 | 35,140 | 2009 | 34,181 | 2008 | 33,072 | 2007 | 31,621 | 2006 | 29,845 | 2005 | 27,898 | 2004 | 26,261 | 2003 | 25,456 | 2002 | 24,753 | 2001 | 23,629 | 2000 | 22,476 | 1999 | 21,223 | 1998 | 19,691 | 1997 | 17,454 | 1996 | 15,840 | 1995 | 15,130 | 1994 | 14,762 | 1993 | 14,605 | 1992 | 13,840 | 1991 | 12,865 | 1990 | 14,392 | 1989 | 16,084 | 1988 | 15,371 | 1987 | 14,658 | 1986 | 13,987 | 1985 | 13,382 | 1984 | 12,832 | 1983 | 12,510 | 1982 | 12,273 | 1981 | 11,939 | 1980 | 11,637 | 1979 | 11,362 | 1978 | 11,104 | 1977 | 10,851 | 1976 | 10,625 | 1975 | 10,443 | 1974 | 10,208 | 1973 | 9,912 | 1972 | 9,646 | 1971 | 9,400 | 1970 | 9,171 | 1969 | 8,961 | 1968 | 8,777 | 1967 | 8,614 | 1966 | 8,457 | 1965 | 8,298 | 1964 | 8,139 | 1963 | 7,974 | 1962 | 7,805 | 1961 | 7,634 | 1960 | 7,462 |
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