Year Years 1950 95.32393 1955 93.68516 1960 92.91596 1965 90.9444 1970 90.28114 1975 89.64023 1980 89.02955 1985 88.50525 1990 88.63244 1995 89.45546 2000 90.31958 2005 90.42682 2010 91.36695 2015 92.14774 2020 90.85271 2025 90.23863 2030 89.55522 2035 89.45309 2040 91.00221 2045 92.68393 2050 94.73635 2055 96.45195 2060 96.93146 2065 97.74427 2070 98.3999 2075 98.83535 2080 99.07181 2085 99.11517 2090 99.00734 2095 98.88982 2100 98.87994