Year | Value | 2022 | 7,978 | 2021 | 7,553 | 2020 | 7,198 | 2019 | 6,897 | 2018 | 6,698 | 2017 | 6,607 | 2016 | 6,541 | 2015 | 6,492 | 2014 | 6,466 | 2013 | 6,448 | 2012 | 6,431 | 2011 | 6,401 | 2010 | 6,347 | 2009 | 6,230 | 2008 | 6,057 | 2007 | 5,867 | 2006 | 5,669 | 2005 | 5,465 | 2004 | 5,254 | 2003 | 5,039 | 2002 | 4,823 | 2001 | 4,607 | 2000 | 4,392 | 1999 | 4,193 | 1998 | 4,016 | 1997 | 3,842 | 1996 | 3,660 | 1995 | 3,472 | 1994 | 3,286 | 1993 | 3,107 | 1992 | 2,931 | 1991 | 2,769 | 1990 | 2,634 | 1989 | 2,513 | 1988 | 2,402 | 1987 | 2,322 | 1986 | 2,270 | 1985 | 2,235 | 1984 | 2,209 | 1983 | 2,186 | 1982 | 2,158 | 1981 | 2,124 | 1980 | 2,086 | 1979 | 2,262 | 1978 | 2,484 | 1977 | 2,455 | 1976 | 2,342 | 1975 | 2,230 | 1974 | 2,117 | 1973 | 2,006 | 1972 | 1,899 | 1971 | 1,795 | 1970 | 1,697 | 1969 | 1,605 | 1968 | 1,521 | 1967 | 1,452 | 1966 | 1,394 | 1965 | 1,339 | 1964 | 1,290 | 1963 | 1,245 | 1962 | 1,202 | 1961 | 1,163 | 1960 | 1,124 |
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