Year | Value | 2022 | 4,501 | 2021 | 4,370 | 2020 | 4,243 | 2019 | 4,131 | 2018 | 4,039 | 2017 | 3,958 | 2016 | 3,889 | 2015 | 3,831 | 2014 | 3,772 | 2013 | 3,702 | 2012 | 3,616 | 2011 | 3,495 | 2010 | 3,322 | 2009 | 3,120 | 2008 | 2,898 | 2007 | 2,666 | 2006 | 2,472 | 2005 | 2,345 | 2004 | 2,285 | 2003 | 2,292 | 2002 | 2,336 | 2001 | 2,365 | 2000 | 2,353 | 1999 | 2,288 | 1998 | 2,188 | 1997 | 2,093 | 1996 | 2,007 | 1995 | 1,923 | 1994 | 1,850 | 1993 | 1,792 | 1992 | 1,752 | 1991 | 1,719 | 1990 | 1,682 | 1989 | 1,640 | 1988 | 1,579 | 1987 | 1,484 | 1986 | 1,365 | 1985 | 1,259 | 1984 | 1,171 | 1983 | 1,101 | 1982 | 1,054 | 1981 | 1,023 | 1980 | 985 | 1979 | 942 | 1978 | 894 | 1977 | 835 | 1976 | 779 | 1975 | 733 | 1974 | 687 | 1973 | 642 | 1972 | 602 | 1971 | 561 | 1970 | 528 | 1969 | 507 | 1968 | 493 | 1967 | 479 | 1966 | 468 | 1965 | 453 | 1964 | 430 | 1963 | 409 | 1962 | 384 | 1961 | 358 | 1960 | 335 |
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