Year | Value | 2022 | 4,995 | 2021 | 5,043 | 2020 | 5,008 | 2019 | 4,881 | 2018 | 4,705 | 2017 | 4,509 | 2016 | 4,359 | 2015 | 4,213 | 2014 | 4,078 | 2013 | 3,967 | 2012 | 3,863 | 2011 | 3,765 | 2010 | 3,687 | 2009 | 3,619 | 2008 | 3,545 | 2007 | 3,446 | 2006 | 3,313 | 2005 | 3,140 | 2004 | 2,924 | 2003 | 2,694 | 2002 | 2,510 | 2001 | 2,386 | 2000 | 2,313 | 1999 | 2,302 | 1998 | 2,336 | 1997 | 2,402 | 1996 | 2,489 | 1995 | 2,577 | 1994 | 2,647 | 1993 | 2,695 | 1992 | 2,738 | 1991 | 2,760 | 1990 | 2,772 | 1989 | 2,789 | 1988 | 2,795 | 1987 | 2,790 | 1986 | 2,775 | 1985 | 2,748 | 1984 | 2,710 | 1983 | 2,657 | 1982 | 2,598 | 1981 | 2,538 | 1980 | 2,485 | 1979 | 2,439 | 1978 | 2,405 | 1977 | 2,383 | 1976 | 2,370 | 1975 | 2,364 | 1974 | 2,360 | 1973 | 2,357 | 1972 | 2,356 | 1971 | 2,358 | 1970 | 2,333 | 1969 | 2,283 | 1968 | 2,240 | 1967 | 2,194 | 1966 | 2,150 | 1965 | 2,109 | 1964 | 2,071 | 1963 | 2,033 | 1962 | 1,993 | 1961 | 1,952 | 1960 | 1,860 |
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