Year | Value | 2021 | 103,661 | 2020 | 103,678 | 2019 | 103,684 | 2018 | 103,708 | 2017 | 105,401 | 2016 | 105,411 | 2015 | 105,562 | 2014 | 105,571 | 2013 | 105,567 | 2012 | 105,913 | 2011 | 106,085 | 2010 | 106,119 | 2009 | 106,173 | 2008 | 107,272 | 2007 | 107,286 | 2006 | 107,311 | 2005 | 107,450 | 2004 | 107,700 | 2003 | 108,400 | 2002 | 107,760 | 2001 | 107,760 | 2000 | 107,140 | 1999 | 107,260 | 1998 | 106,900 | 1997 | 106,610 | 1996 | 106,410 | 1995 | 105,370 | 1994 | 103,290 | 1993 | 101,200 | 1992 | 100,880 | 1991 | 100,880 | 1990 | 100,880 | 1989 | 100,880 | 1988 | 100,880 | 1987 | 100,880 | 1986 | 100,880 | 1985 | 100,880 | 1984 | 100,880 | 1983 | 100,880 | 1982 | 100,880 | 1981 | 100,880 | 1980 | 100,880 | 1979 | 100,880 | 1978 | 100,880 | 1977 | 100,880 | 1976 | 100,880 | 1975 | 100,880 | 1974 | 100,880 | 1973 | 100,880 | 1972 | 100,880 | 1971 | 100,880 | 1970 | 100,880 | 1969 | 100,880 | 1968 | 100,880 | 1967 | 100,880 | 1966 | 100,880 | 1965 | 100,880 | 1964 | 100,880 | 1963 | 100,880 | 1962 | 100,880 | 1961 | 100,880 |
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