Year | Value | 2022 | 7,583 | 2021 | 7,470 | 2020 | 7,387 | 2019 | 7,330 | 2018 | 7,283 | 2017 | 7,227 | 2016 | 7,141 | 2015 | 7,019 | 2014 | 6,871 | 2013 | 6,716 | 2012 | 6,584 | 2011 | 6,484 | 2010 | 6,410 | 2009 | 6,409 | 2008 | 6,464 | 2007 | 6,506 | 2006 | 6,521 | 2005 | 6,501 | 2004 | 6,444 | 2003 | 6,340 | 2002 | 6,184 | 2001 | 6,043 | 2000 | 6,009 | 1999 | 6,045 | 1998 | 6,070 | 1997 | 6,047 | 1996 | 5,952 | 1995 | 5,795 | 1994 | 5,613 | 1993 | 5,427 | 1992 | 5,229 | 1991 | 5,019 | 1990 | 4,801 | 1989 | 4,575 | 1988 | 4,349 | 1987 | 4,137 | 1986 | 3,944 | 1985 | 3,769 | 1984 | 3,614 | 1983 | 3,480 | 1982 | 3,361 | 1981 | 3,256 | 1980 | 3,156 | 1979 | 3,065 | 1978 | 2,983 | 1977 | 2,901 | 1976 | 2,822 | 1975 | 2,747 | 1974 | 2,676 | 1973 | 2,604 | 1972 | 2,535 | 1971 | 2,476 | 1970 | 2,422 | 1969 | 2,398 | 1968 | 2,411 | 1967 | 2,429 | 1966 | 2,450 | 1965 | 2,480 | 1964 | 2,516 | 1963 | 2,556 | 1962 | 2,598 | 1961 | 2,640 | 1960 | 2,674 |
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