Year Years 1950 103.19574 1955 102.27821 1960 102.48681 1965 100.77618 1970 97.73961 1975 92.60974 1980 90.67557 1985 90.65656 1990 86.24865 1995 84.17016 2000 82.46313 2005 80.14221 2010 79.27061 2015 78.32855 2020 77.90558 2025 78.06576 2030 78.9544 2035 79.85331 2040 81.13146 2045 82.31819 2050 84.16179 2055 85.91629 2060 87.27566 2065 88.17255 2070 88.84518 2075 89.32494 2080 89.73568 2085 90.07173 2090 90.41726 2095 90.83984 2100 91.28794