Year | Value | 2022 | 3,905 | 2021 | 3,985 | 2020 | 4,060 | 2019 | 4,117 | 2018 | 4,152 | 2017 | 4,175 | 2016 | 4,192 | 2015 | 4,204 | 2014 | 4,212 | 2013 | 4,216 | 2012 | 4,215 | 2011 | 4,204 | 2010 | 4,180 | 2009 | 4,141 | 2008 | 4,095 | 2007 | 4,066 | 2006 | 4,066 | 2005 | 4,093 | 2004 | 4,126 | 2003 | 4,150 | 2002 | 4,168 | 2001 | 4,178 | 2000 | 4,169 | 1999 | 4,136 | 1998 | 4,099 | 1997 | 4,038 | 1996 | 3,907 | 1995 | 3,734 | 1994 | 3,552 | 1993 | 3,329 | 1992 | 3,115 | 1991 | 2,968 | 1990 | 2,804 | 1989 | 2,574 | 1988 | 2,462 | 1987 | 2,357 | 1986 | 2,235 | 1985 | 2,140 | 1984 | 2,060 | 1983 | 1,987 | 1982 | 1,944 | 1981 | 1,916 | 1980 | 1,885 | 1979 | 1,792 | 1978 | 1,778 | 1977 | 1,726 | 1976 | 1,778 | 1975 | 1,744 | 1974 | 1,651 | 1973 | 1,526 | 1972 | 1,362 | 1971 | 1,243 | 1970 | 1,102 | 1969 | 1,053 | 1968 | 986 | 1967 | 892 | 1966 | 870 | 1965 | 850 | 1964 | 813 | 1963 | 791 | 1962 | 690 | 1961 | 664 | 1960 | 631 |
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