Year | Value | 2021 | 100,680 | 2020 | 99,280 | 2019 | 98,720 | 2018 | 96,273 | 2017 | 95,613.3 | 2016 | 95,172.1 | 2015 | 94,342.4 | 2014 | 93,200 | 2013 | 92,780 | 2012 | 91,230 | 2011 | 91,280 | 2010 | 92,410 | 2009 | 92,460 | 2008 | 92,530 | 2007 | 92,660 | 2006 | 92,800 | 2005 | 93,110 | 2004 | 93,230 | 2003 | 93,280 | 2002 | 93,530 | 2001 | 94,030 | 2000 | 94,000 | 1999 | 94,860 | 1998 | 94,340 | 1997 | 93,650 | 1996 | 93,270 | 1995 | 93,740 | 1994 | 93,580 | 1993 | 94,460 | 1992 | 95,490 | 1991 | 103,200 | 1990 | 103,860 | 1989 | 104,430 | 1988 | 104,270 | 1987 | 101,150 | 1986 | 100,410 | 1985 | 100,270 | 1984 | 100,600 | 1983 | 99,640 | 1982 | 99,780 | 1981 | 99,810 | 1980 | 99,870 | 1979 | 99,830 | 1978 | 99,870 | 1977 | 99,910 | 1976 | 99,980 | 1975 | 100,040 | 1974 | 99,890 | 1973 | 99,890 | 1972 | 99,910 | 1971 | 96,950 | 1970 | 96,970 | 1969 | 96,750 | 1968 | 96,690 | 1967 | 96,950 | 1966 | 96,500 | 1965 | 96,370 | 1964 | 95,200 | 1963 | 94,800 | 1962 | 94,770 | 1961 | 94,800 |
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