Year | Value | 2022 | 5,834 | 2021 | 5,881 | 2020 | 5,958 | 2019 | 6,063 | 2018 | 6,194 | 2017 | 6,345 | 2016 | 6,469 | 2015 | 6,551 | 2014 | 6,593 | 2013 | 6,639 | 2012 | 6,716 | 2011 | 6,748 | 2010 | 6,747 | 2009 | 6,808 | 2008 | 6,905 | 2007 | 6,968 | 2006 | 6,975 | 2005 | 6,942 | 2004 | 6,893 | 2003 | 6,814 | 2002 | 6,747 | 2001 | 6,719 | 2000 | 6,736 | 1999 | 6,779 | 1998 | 6,809 | 1997 | 6,796 | 1996 | 6,741 | 1995 | 6,648 | 1994 | 6,553 | 1993 | 6,513 | 1992 | 6,539 | 1991 | 6,617 | 1990 | 6,724 | 1989 | 6,836 | 1988 | 6,918 | 1987 | 6,950 | 1986 | 6,938 | 1985 | 6,900 | 1984 | 6,860 | 1983 | 6,839 | 1982 | 6,845 | 1981 | 6,876 | 1980 | 6,912 | 1979 | 6,944 | 1978 | 6,989 | 1977 | 7,056 | 1976 | 7,099 | 1975 | 7,111 | 1974 | 7,131 | 1973 | 7,197 | 1972 | 7,311 | 1971 | 7,411 | 1970 | 7,462 | 1969 | 7,458 | 1968 | 7,393 | 1967 | 7,266 | 1966 | 7,128 | 1965 | 7,003 | 1964 | 6,863 | 1963 | 6,708 | 1962 | 6,543 | 1961 | 6,368 | 1960 | 6,180 |
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