| Year | Value | | 2022 | 11,124 | | 2021 | 10,960 | | 2020 | 10,622 | | 2019 | 10,144 | | 2018 | 9,664 | | 2017 | 9,214 | | 2016 | 8,824 | | 2015 | 8,463 | | 2014 | 8,119 | | 2013 | 7,789 | | 2012 | 7,462 | | 2011 | 7,172 | | 2010 | 6,912 | | 2009 | 6,622 | | 2008 | 6,305 | | 2007 | 5,972 | | 2006 | 5,647 | | 2005 | 5,352 | | 2004 | 5,056 | | 2003 | 4,751 | | 2002 | 4,450 | | 2001 | 4,175 | | 2000 | 3,944 | | 1999 | 3,765 | | 1998 | 3,619 | | 1997 | 3,477 | | 1996 | 3,330 | | 1995 | 3,184 | | 1994 | 3,055 | | 1993 | 2,946 | | 1992 | 2,859 | | 1991 | 2,783 | | 1990 | 2,723 | | 1989 | 2,689 | | 1988 | 2,643 | | 1987 | 2,580 | | 1986 | 2,512 | | 1985 | 2,439 | | 1984 | 2,373 | | 1983 | 2,319 | | 1982 | 2,271 | | 1981 | 2,216 | | 1980 | 2,083 | | 1979 | 1,893 | | 1978 | 1,708 | | 1977 | 1,531 | | 1976 | 1,371 | | 1975 | 1,238 | | 1974 | 1,135 | | 1973 | 1,065 | | 1972 | 1,023 | | 1971 | 1,006 | | 1970 | 1,009 | | 1969 | 1,017 | | 1968 | 1,010 | | 1967 | 984 | | 1966 | 952 | | 1965 | 915 | | 1964 | 880 | | 1963 | 850 | | 1962 | 822 | | 1961 | 799 | | 1960 | 762 |
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