Year | Value | 2022 | 4,248 | 2021 | 4,179 | 2020 | 4,157 | 2019 | 4,164 | 2018 | 4,176 | 2017 | 4,169 | 2016 | 4,127 | 2015 | 4,056 | 2014 | 3,959 | 2013 | 3,849 | 2012 | 3,739 | 2011 | 3,645 | 2010 | 3,572 | 2009 | 3,509 | 2008 | 3,447 | 2007 | 3,380 | 2006 | 3,273 | 2005 | 3,120 | 2004 | 2,964 | 2003 | 2,815 | 2002 | 2,680 | 2001 | 2,590 | 2000 | 2,543 | 1999 | 2,510 | 1998 | 2,492 | 1997 | 2,485 | 1996 | 2,486 | 1995 | 2,495 | 1994 | 2,505 | 1993 | 2,507 | 1992 | 2,500 | 1991 | 2,488 | 1990 | 2,471 | 1989 | 2,448 | 1988 | 2,438 | 1987 | 2,441 | 1986 | 2,434 | 1985 | 2,413 | 1984 | 2,411 | 1983 | 2,435 | 1982 | 2,470 | 1981 | 2,478 | 1980 | 2,446 | 1979 | 2,403 | 1978 | 2,363 | 1977 | 2,328 | 1976 | 2,229 | 1975 | 2,064 | 1974 | 1,914 | 1973 | 1,827 | 1972 | 1,787 | 1971 | 1,745 | 1970 | 1,697 | 1969 | 1,640 | 1968 | 1,576 | 1967 | 1,506 | 1966 | 1,449 | 1965 | 1,400 | 1964 | 1,346 | 1963 | 1,295 | 1962 | 1,248 | 1961 | 1,216 | 1960 | 1,195 |
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