Year | Value | 2022 | 68,706 | 2021 | 70,432 | 2020 | 73,186 | 2019 | 75,636 | 2018 | 77,048 | 2017 | 77,686 | 2016 | 77,436 | 2015 | 76,776 | 2014 | 76,284 | 2013 | 75,374 | 2012 | 74,355 | 2011 | 74,257 | 2010 | 74,555 | 2009 | 75,015 | 2008 | 76,106 | 2007 | 76,591 | 2006 | 75,798 | 2005 | 74,573 | 2004 | 73,250 | 2003 | 72,415 | 2002 | 72,792 | 2001 | 74,810 | 2000 | 78,040 | 1999 | 81,493 | 1998 | 84,748 | 1997 | 87,462 | 1996 | 89,024 | 1995 | 89,295 | 1994 | 88,488 | 1993 | 87,127 | 1992 | 86,342 | 1991 | 86,093 | 1990 | 86,556 | 1989 | 88,250 | 1988 | 90,284 | 1987 | 91,998 | 1986 | 93,472 | 1985 | 94,694 | 1984 | 95,339 | 1983 | 95,144 | 1982 | 93,807 | 1981 | 90,874 | 1980 | 86,305 | 1979 | 80,744 | 1978 | 74,491 | 1977 | 67,901 | 1976 | 62,488 | 1975 | 59,817 | 1974 | 60,123 | 1973 | 62,817 | 1972 | 67,261 | 1971 | 72,235 | 1970 | 76,235 | 1969 | 78,542 | 1968 | 79,289 | 1967 | 79,074 | 1966 | 78,705 | 1965 | 78,305 | 1964 | 77,532 | 1963 | 76,552 | 1962 | 75,626 | 1961 | 74,611 | 1960 | 73,281 |
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