Year | Value | 2022 | 3,782 | 2021 | 3,741 | 2020 | 3,727 | 2019 | 3,737 | 2018 | 3,762 | 2017 | 3,793 | 2016 | 3,810 | 2015 | 3,790 | 2014 | 3,720 | 2013 | 3,599 | 2012 | 3,443 | 2011 | 3,263 | 2010 | 3,073 | 2009 | 2,896 | 2008 | 2,730 | 2007 | 2,569 | 2006 | 2,418 | 2005 | 2,286 | 2004 | 2,176 | 2003 | 2,085 | 2002 | 2,003 | 2001 | 1,930 | 2000 | 1,855 | 1999 | 1,767 | 1998 | 1,681 | 1997 | 1,612 | 1996 | 1,566 | 1995 | 1,521 | 1994 | 1,473 | 1993 | 1,443 | 1992 | 1,419 | 1991 | 1,397 | 1990 | 1,381 | 1989 | 1,322 | 1988 | 1,278 | 1987 | 1,218 | 1986 | 1,162 | 1985 | 1,107 | 1984 | 1,067 | 1983 | 1,046 | 1982 | 1,028 | 1981 | 1,017 | 1980 | 1,012 | 1979 | 959 | 1978 | 914 | 1977 | 856 | 1976 | 860 | 1975 | 823 | 1974 | 759 | 1973 | 686 | 1972 | 599 | 1971 | 533 | 1970 | 466 | 1969 | 442 | 1968 | 413 | 1967 | 383 | 1966 | 391 | 1965 | 406 | 1964 | 415 | 1963 | 434 | 1962 | 404 | 1961 | 412 | 1960 | 416 |
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