Year | Value | 2022 | 7,888 | 2021 | 7,160 | 2020 | 6,601 | 2019 | 6,274 | 2018 | 6,201 | 2017 | 6,330 | 2016 | 6,516 | 2015 | 6,632 | 2014 | 6,598 | 2013 | 6,415 | 2012 | 6,141 | 2011 | 5,862 | 2010 | 5,572 | 2009 | 5,322 | 2008 | 5,180 | 2007 | 5,069 | 2006 | 4,936 | 2005 | 4,747 | 2004 | 4,494 | 2003 | 4,196 | 2002 | 3,884 | 2001 | 3,586 | 2000 | 3,319 | 1999 | 3,155 | 1998 | 3,081 | 1997 | 3,010 | 1996 | 2,940 | 1995 | 2,874 | 1994 | 2,813 | 1993 | 2,756 | 1992 | 2,696 | 1991 | 2,636 | 1990 | 2,578 | 1989 | 2,517 | 1988 | 2,453 | 1987 | 2,387 | 1986 | 2,320 | 1985 | 2,252 | 1984 | 2,187 | 1983 | 2,123 | 1982 | 2,035 | 1981 | 1,931 | 1980 | 1,851 | 1979 | 1,814 | 1978 | 1,811 | 1977 | 1,825 | 1976 | 1,870 | 1975 | 1,934 | 1974 | 1,999 | 1973 | 2,066 | 1972 | 2,133 | 1971 | 2,202 | 1970 | 2,266 | 1969 | 2,313 | 1968 | 2,323 | 1967 | 2,310 | 1966 | 2,299 | 1965 | 2,287 | 1964 | 2,277 | 1963 | 2,265 | 1962 | 2,255 | 1961 | 2,242 | 1960 | 2,226 |
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