Year | Value | 2022 | 4,730 | 2021 | 4,652 | 2020 | 4,583 | 2019 | 4,505 | 2018 | 4,490 | 2017 | 4,517 | 2016 | 4,528 | 2015 | 4,502 | 2014 | 4,398 | 2013 | 4,190 | 2012 | 3,982 | 2011 | 3,813 | 2010 | 3,690 | 2009 | 3,577 | 2008 | 3,430 | 2007 | 3,266 | 2006 | 3,105 | 2005 | 2,889 | 2004 | 2,687 | 2003 | 2,560 | 2002 | 2,449 | 2001 | 2,345 | 2000 | 2,252 | 1999 | 2,165 | 1998 | 2,084 | 1997 | 2,006 | 1996 | 1,928 | 1995 | 1,847 | 1994 | 1,763 | 1993 | 1,671 | 1992 | 1,579 | 1991 | 1,497 | 1990 | 1,421 | 1989 | 1,369 | 1988 | 1,341 | 1987 | 1,317 | 1986 | 1,301 | 1985 | 1,294 | 1984 | 1,289 | 1983 | 1,282 | 1982 | 1,274 | 1981 | 1,253 | 1980 | 1,220 | 1979 | 1,182 | 1978 | 1,137 | 1977 | 1,081 | 1976 | 1,020 | 1975 | 973 | 1974 | 945 | 1973 | 923 | 1972 | 905 | 1971 | 874 | 1970 | 820 | 1969 | 768 | 1968 | 738 | 1967 | 707 | 1966 | 673 | 1965 | 638 | 1964 | 608 | 1963 | 583 | 1962 | 567 | 1961 | 557 | 1960 | 544 |
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