Year | Value | 2022 | 4,017 | 2021 | 4,068 | 2020 | 4,122 | 2019 | 4,112 | 2018 | 4,061 | 2017 | 4,025 | 2016 | 3,995 | 2015 | 3,971 | 2014 | 3,955 | 2013 | 3,936 | 2012 | 3,913 | 2011 | 3,898 | 2010 | 3,898 | 2009 | 3,910 | 2008 | 3,930 | 2007 | 3,963 | 2006 | 4,014 | 2005 | 4,084 | 2004 | 4,171 | 2003 | 4,272 | 2002 | 4,256 | 2001 | 4,122 | 2000 | 4,001 | 1999 | 3,891 | 1998 | 3,795 | 1997 | 3,716 | 1996 | 3,645 | 1995 | 3,575 | 1994 | 3,547 | 1993 | 3,583 | 1992 | 3,575 | 1991 | 3,475 | 1990 | 3,354 | 1989 | 3,239 | 1988 | 3,126 | 1987 | 3,022 | 1986 | 2,932 | 1985 | 2,854 | 1984 | 2,783 | 1983 | 2,612 | 1982 | 2,353 | 1981 | 2,120 | 1980 | 1,891 | 1979 | 1,660 | 1978 | 1,439 | 1977 | 1,232 | 1976 | 1,043 | 1975 | 874 | 1974 | 716 | 1973 | 627 | 1972 | 600 | 1971 | 574 | 1970 | 550 | 1969 | 527 | 1968 | 502 | 1967 | 479 | 1966 | 457 | 1965 | 436 | 1964 | 419 | 1963 | 400 | 1962 | 381 | 1961 | 363 | 1960 | 347 |
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