Year | Value | 2022 | 4,096 | 2021 | 4,089 | 2020 | 4,075 | 2019 | 4,042 | 2018 | 3,993 | 2017 | 3,943 | 2016 | 3,900 | 2015 | 3,876 | 2014 | 3,879 | 2013 | 3,904 | 2012 | 3,935 | 2011 | 3,948 | 2010 | 3,929 | 2009 | 3,867 | 2008 | 3,760 | 2007 | 3,620 | 2006 | 3,461 | 2005 | 3,291 | 2004 | 3,109 | 2003 | 2,922 | 2002 | 2,741 | 2001 | 2,578 | 2000 | 2,441 | 1999 | 2,333 | 1998 | 2,249 | 1997 | 2,167 | 1996 | 2,069 | 1995 | 1,981 | 1994 | 1,898 | 1993 | 1,819 | 1992 | 1,763 | 1991 | 1,716 | 1990 | 1,659 | 1989 | 1,564 | 1988 | 1,535 | 1987 | 1,514 | 1986 | 1,496 | 1985 | 1,488 | 1984 | 1,474 | 1983 | 1,439 | 1982 | 1,388 | 1981 | 1,338 | 1980 | 1,286 | 1979 | 1,205 | 1978 | 1,179 | 1977 | 1,119 | 1976 | 1,135 | 1975 | 1,097 | 1974 | 1,025 | 1973 | 941 | 1972 | 837 | 1971 | 762 | 1970 | 675 | 1969 | 636 | 1968 | 576 | 1967 | 492 | 1966 | 451 | 1965 | 423 | 1964 | 409 | 1963 | 429 | 1962 | 413 | 1961 | 447 | 1960 | 465 |
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