Year | Value | 2022 | 60,451 | 2021 | 62,677 | 2020 | 64,972 | 2019 | 67,079 | 2018 | 68,400 | 2017 | 69,223 | 2016 | 70,409 | 2015 | 72,157 | 2014 | 74,260 | 2013 | 76,163 | 2012 | 77,414 | 2011 | 78,302 | 2010 | 78,945 | 2009 | 79,281 | 2008 | 79,882 | 2007 | 81,038 | 2006 | 82,009 | 2005 | 82,663 | 2004 | 83,493 | 2003 | 84,242 | 2002 | 84,765 | 2001 | 86,896 | 2000 | 88,354 | 1999 | 88,619 | 1998 | 87,183 | 1997 | 84,538 | 1996 | 82,337 | 1995 | 80,022 | 1994 | 78,060 | 1993 | 76,692 | 1992 | 75,688 | 1991 | 76,066 | 1990 | 77,098 | 1989 | 77,721 | 1988 | 78,643 | 1987 | 79,859 | 1986 | 81,371 | 1985 | 83,132 | 1984 | 84,967 | 1983 | 86,815 | 1982 | 88,929 | 1981 | 91,010 | 1980 | 92,752 | 1979 | 94,319 | 1978 | 95,675 | 1977 | 96,381 | 1976 | 96,138 | 1975 | 95,376 | 1974 | 94,622 | 1973 | 93,831 | 1972 | 92,946 | 1971 | 91,736 | 1970 | 90,405 | 1969 | 89,175 | 1968 | 87,885 | 1967 | 86,302 | 1966 | 84,226 | 1965 | 81,610 | 1964 | 78,409 | 1963 | 74,910 | 1962 | 71,161 | 1961 | 68,530 | 1960 | 67,523 |
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