Year | Value | 2022 | 65,589 | 2021 | 67,252 | 2020 | 68,509 | 2019 | 69,529 | 2018 | 70,963 | 2017 | 71,415 | 2016 | 70,558 | 2015 | 69,717 | 2014 | 68,770 | 2013 | 67,255 | 2012 | 66,300 | 2011 | 66,633 | 2010 | 67,931 | 2009 | 69,868 | 2008 | 71,902 | 2007 | 73,687 | 2006 | 75,374 | 2005 | 76,878 | 2004 | 78,083 | 2003 | 78,828 | 2002 | 78,895 | 2001 | 78,818 | 2000 | 78,936 | 1999 | 79,417 | 1998 | 80,934 | 1997 | 83,460 | 1996 | 86,534 | 1995 | 89,976 | 1994 | 93,326 | 1993 | 96,229 | 1992 | 98,948 | 1991 | 100,301 | 1990 | 100,258 | 1989 | 99,951 | 1988 | 98,466 | 1987 | 96,186 | 1986 | 94,449 | 1985 | 92,999 | 1984 | 91,766 | 1983 | 91,255 | 1982 | 90,555 | 1981 | 88,663 | 1980 | 85,949 | 1979 | 82,983 | 1978 | 80,686 | 1977 | 80,257 | 1976 | 82,406 | 1975 | 86,541 | 1974 | 91,302 | 1973 | 95,623 | 1972 | 98,530 | 1971 | 99,296 | 1970 | 98,094 | 1969 | 95,381 | 1968 | 91,803 | 1967 | 88,690 | 1966 | 87,054 | 1965 | 86,708 | 1964 | 86,952 | 1963 | 87,231 | 1962 | 86,632 | 1961 | 84,218 | 1960 | 79,727 |
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