Year | Value | 2021 | 94,240 | 2020 | 94,390 | 2019 | 93,690 | 2018 | 93,490 | 2017 | 93,290 | 2016 | 93,090 | 2015 | 92,690 | 2014 | 92,690 | 2013 | 88,637.5 | 2012 | 85,685 | 2011 | 85,500 | 2010 | 82,200 | 2009 | 78,500 | 2008 | 81,900 | 2007 | 91,400 | 2006 | 89,900 | 2005 | 88,400 | 2004 | 86,900 | 2003 | 86,900 | 2002 | 86,900 | 2001 | 84,900 | 2000 | 85,000 | 1999 | 85,000 | 1998 | 86,500 | 1997 | 86,600 | 1996 | 91,000 | 1995 | 91,000 | 1994 | 93,500 | 1993 | 98,700 | 1992 | 95,500 | 1991 | 96,300 | 1990 | 92,300 | 1989 | 92,300 | 1988 | 95,300 | 1987 | 94,800 | 1986 | 94,800 | 1985 | 94,650 | 1984 | 94,500 | 1983 | 94,500 | 1982 | 94,500 | 1981 | 94,390 | 1980 | 94,390 | 1979 | 94,390 | 1978 | 93,890 | 1977 | 92,850 | 1976 | 92,850 | 1975 | 92,850 | 1974 | 92,800 | 1973 | 91,700 | 1972 | 91,600 | 1971 | 89,990 | 1970 | 89,930 | 1969 | 89,900 | 1968 | 89,850 | 1967 | 89,800 | 1966 | 89,250 | 1965 | 89,200 | 1964 | 88,650 | 1963 | 89,100 | 1962 | 88,550 | 1961 | 88,000 |
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