Year Years 1950 108.03778 1955 108.20046 1960 108.18303 1965 107.48108 1970 106.34225 1975 102.85904 1980 98.47867 1985 95.41406 1990 92.96883 1995 91.62535 2000 91.76795 2005 90.60451 2010 90.14579 2015 90.28789 2020 90.6939 2025 91.58342 2030 92.55994 2035 93.19647 2040 93.45677 2045 93.78077 2050 94.15828 2055 94.39687 2060 94.49902 2065 94.42943 2070 94.33577 2075 94.298 2080 94.36636 2085 94.54306 2090 94.81866 2095 95.17289 2100 95.6448