Year | Value | 2022 | 4,677 | 2021 | 4,711 | 2020 | 4,728 | 2019 | 4,730 | 2018 | 4,709 | 2017 | 4,664 | 2016 | 4,585 | 2015 | 4,470 | 2014 | 4,329 | 2013 | 4,168 | 2012 | 3,994 | 2011 | 3,817 | 2010 | 3,646 | 2009 | 3,472 | 2008 | 3,300 | 2007 | 3,135 | 2006 | 2,979 | 2005 | 2,829 | 2004 | 2,702 | 2003 | 2,573 | 2002 | 2,424 | 2001 | 2,277 | 2000 | 2,152 | 1999 | 2,070 | 1998 | 2,021 | 1997 | 1,998 | 1996 | 1,988 | 1995 | 1,961 | 1994 | 1,900 | 1993 | 1,828 | 1992 | 1,743 | 1991 | 1,589 | 1990 | 1,415 | 1989 | 1,312 | 1988 | 1,260 | 1987 | 1,221 | 1986 | 1,169 | 1985 | 1,103 | 1984 | 1,033 | 1983 | 973 | 1982 | 942 | 1981 | 930 | 1980 | 926 | 1979 | 928 | 1978 | 934 | 1977 | 942 | 1976 | 952 | 1975 | 961 | 1974 | 972 | 1973 | 983 | 1972 | 994 | 1971 | 1,011 | 1970 | 1,032 | 1969 | 1,045 | 1968 | 1,057 | 1967 | 1,063 | 1966 | 1,052 | 1965 | 1,023 | 1964 | 983 | 1963 | 935 | 1962 | 881 | 1961 | 828 | 1960 | 774 |
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