Year | Value | 2022 | 59,637 | 2021 | 59,742 | 2020 | 60,836 | 2019 | 62,338 | 2018 | 63,962 | 2017 | 65,704 | 2016 | 67,811 | 2015 | 69,797 | 2014 | 71,158 | 2013 | 72,186 | 2012 | 72,862 | 2011 | 73,184 | 2010 | 73,509 | 2009 | 74,546 | 2008 | 76,544 | 2007 | 78,913 | 2006 | 81,573 | 2005 | 84,700 | 2004 | 87,546 | 2003 | 89,378 | 2002 | 90,366 | 2001 | 90,734 | 2000 | 90,910 | 1999 | 90,987 | 1998 | 90,308 | 1997 | 89,276 | 1996 | 88,610 | 1995 | 87,861 | 1994 | 87,295 | 1993 | 87,776 | 1992 | 88,690 | 1991 | 88,283 | 1990 | 86,513 | 1989 | 84,194 | 1988 | 81,963 | 1987 | 81,254 | 1986 | 82,998 | 1985 | 86,694 | 1984 | 91,260 | 1983 | 95,721 | 1982 | 99,045 | 1981 | 100,580 | 1980 | 100,361 | 1979 | 98,594 | 1978 | 95,911 | 1977 | 93,393 | 1976 | 91,795 | 1975 | 91,513 | 1974 | 92,460 | 1973 | 94,149 | 1972 | 96,099 | 1971 | 98,005 | 1970 | 99,641 | 1969 | 100,650 | 1968 | 100,583 | 1967 | 98,988 | 1966 | 95,774 | 1965 | 90,923 | 1964 | 84,725 | 1963 | 77,699 | 1962 | 70,730 | 1961 | 65,338 | 1960 | 62,515 |
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