Year | Value | 2014 | 114.70315882498 | 2013 | 104.74780466115 | 2012 | 98.061538876009 | 2011 | 89.752092377402 | 2010 | 89.076079547982 | 2009 | 102.37789191917 | 2008 | 90.185674367541 | 2007 | 93.938017762475 | 2006 | 85.628348342573 | 2005 | 80.810024268892 | 2004 | 82.970748467901 | 2003 | 82.870228561315 | 2002 | 87.708569550978 | 2001 | 96.670004887032 | 2000 | 88.368782233415 | 1999 | 96.246812683884 | 1998 | 101.75841997137 | 1997 | 92.72701519254 | 1996 | 82.072622090286 | 1995 | 91.64862470175 | 1994 | 88.48146641934 | 1993 | 96.984454985723 | 1992 | 99.241967109631 | 1991 | 91.808080482187 | 1990 | 78.125388009535 | 1989 | 84.1544504923 | 1988 | 103.47737216916 | 1987 | 96.235509842466 | 1986 | 97.770375246335 | 1985 | 87.838021607734 | 1984 | 85.962263611952 | 1983 | 106.59852939152 | 1982 | 115.98249721906 | 1981 | 108.03059521472 | 1980 | 105.48597369798 | 1979 | 113.70757255568 | 1978 | 131.24973382231 | 1977 | 124.66976224423 | 1976 | 114.314157982 | 1975 | 106.11153448831 | 1974 | 86.651727640465 | 1973 | 104.75693828239 | 1972 | 110.61185002114 | 1971 | 106.35235645158 | 1970 | 106.67352234503 | 1969 | 110.08080720783 | 1968 | 107.25899678884 | 1967 | 102.19723723724 | 1966 | 103.17010831056 | 1965 | 102.72696110745 | 1964 | 101.064623846 | 1963 | 94.842167401976 | 1962 | 96.970364098222 | 1961 | 96.550473653049 | 1960 | 100.74831521951 |
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