Year | Value | 2022 | 4,989 | 2021 | 4,585 | 2020 | 4,203 | 2019 | 3,820 | 2018 | 3,450 | 2017 | 3,112 | 2016 | 2,838 | 2015 | 2,655 | 2014 | 2,555 | 2013 | 2,518 | 2012 | 2,540 | 2011 | 2,611 | 2010 | 2,720 | 2009 | 2,824 | 2008 | 2,918 | 2007 | 3,034 | 2006 | 3,142 | 2005 | 3,222 | 2004 | 3,264 | 2003 | 3,271 | 2002 | 3,256 | 2001 | 3,231 | 2000 | 3,195 | 1999 | 3,196 | 1998 | 3,228 | 1997 | 3,236 | 1996 | 3,220 | 1995 | 3,184 | 1994 | 3,134 | 1993 | 3,070 | 1992 | 2,991 | 1991 | 2,916 | 1990 | 2,853 | 1989 | 2,792 | 1988 | 2,736 | 1987 | 2,694 | 1986 | 2,665 | 1985 | 2,648 | 1984 | 2,643 | 1983 | 2,647 | 1982 | 2,652 | 1981 | 2,655 | 1980 | 2,663 | 1979 | 2,691 | 1978 | 2,731 | 1977 | 2,770 | 1976 | 2,806 | 1975 | 2,831 | 1974 | 2,844 | 1973 | 2,848 | 1972 | 2,843 | 1971 | 2,826 | 1970 | 2,783 | 1969 | 2,669 | 1968 | 2,498 | 1967 | 2,322 | 1966 | 2,152 | 1965 | 1,988 | 1964 | 1,833 | 1963 | 1,688 | 1962 | 1,551 | 1961 | 1,446 | 1960 | 1,365 |
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