Year | Value | 2022 | 7,563 | 2021 | 7,211 | 2020 | 6,868 | 2019 | 6,536 | 2018 | 6,212 | 2017 | 5,882 | 2016 | 5,564 | 2015 | 5,251 | 2014 | 4,943 | 2013 | 4,693 | 2012 | 4,502 | 2011 | 4,349 | 2010 | 4,249 | 2009 | 4,188 | 2008 | 4,116 | 2007 | 4,038 | 2006 | 3,947 | 2005 | 3,819 | 2004 | 3,677 | 2003 | 3,527 | 2002 | 3,377 | 2001 | 3,229 | 2000 | 3,073 | 1999 | 2,910 | 1998 | 2,741 | 1997 | 2,570 | 1996 | 2,404 | 1995 | 2,254 | 1994 | 2,127 | 1993 | 2,026 | 1992 | 1,949 | 1991 | 1,899 | 1990 | 1,871 | 1989 | 1,843 | 1988 | 1,807 | 1987 | 1,753 | 1986 | 1,663 | 1985 | 1,543 | 1984 | 1,424 | 1983 | 1,309 | 1982 | 1,212 | 1981 | 1,170 | 1980 | 1,180 | 1979 | 1,217 | 1978 | 1,254 | 1977 | 1,286 | 1976 | 1,291 | 1975 | 1,257 | 1974 | 1,196 | 1973 | 1,125 | 1972 | 1,055 | 1971 | 1,007 | 1970 | 982 | 1969 | 959 | 1968 | 933 | 1967 | 902 | 1966 | 861 | 1965 | 806 | 1964 | 746 | 1963 | 686 | 1962 | 629 | 1961 | 593 | 1960 | 580 |
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