Year Years 1950 109.57888 1955 106.76474 1960 104.39845 1965 101.36134 1970 101.99999 1975 102.50846 1980 103.04074 1985 103.48948 1990 103.86496 1995 104.13811 2000 104.25455 2005 104.31138 2010 104.33649 2015 104.39518 2020 104.46636 2025 104.55687 2030 104.63097 2035 104.7081 2040 104.78926 2045 104.86689 2050 104.93095 2055 104.98333 2060 105.02566 2065 105.05633 2070 105.07768 2075 105.09462 2080 105.10865 2085 105.11953 2090 105.1273 2095 105.13243 2100 105.13358