Year | Value | 2022 | 15,335 | 2021 | 14,637 | 2020 | 14,099 | 2019 | 13,686 | 2018 | 13,287 | 2017 | 12,957 | 2016 | 12,573 | 2015 | 12,127 | 2014 | 11,572 | 2013 | 11,070 | 2012 | 10,640 | 2011 | 10,281 | 2010 | 10,082 | 2009 | 10,107 | 2008 | 10,170 | 2007 | 10,119 | 2006 | 10,073 | 2005 | 10,040 | 2004 | 9,915 | 2003 | 9,752 | 2002 | 9,704 | 2001 | 9,828 | 2000 | 10,154 | 1999 | 10,475 | 1998 | 10,632 | 1997 | 10,753 | 1996 | 10,758 | 1995 | 10,609 | 1994 | 10,420 | 1993 | 10,297 | 1992 | 10,182 | 1991 | 10,026 | 1990 | 9,947 | 1989 | 9,763 | 1988 | 9,227 | 1987 | 8,608 | 1986 | 8,078 | 1985 | 7,642 | 1984 | 7,619 | 1983 | 8,083 | 1982 | 8,718 | 1981 | 9,282 | 1980 | 9,595 | 1979 | 9,680 | 1978 | 9,735 | 1977 | 9,782 | 1976 | 9,844 | 1975 | 9,915 | 1974 | 9,874 | 1973 | 9,715 | 1972 | 9,622 | 1971 | 9,570 | 1970 | 9,430 | 1969 | 9,261 | 1968 | 9,080 | 1967 | 8,851 | 1966 | 8,605 | 1965 | 8,385 | 1964 | 8,100 | 1963 | 7,846 | 1962 | 7,611 | 1961 | 7,344 | 1960 | 7,087 |
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