Year Years 1950 82.37986 1955 85.0098 1960 84.34819 1965 87.43794 1970 88.1206 1975 87.96961 1980 88.74853 1985 89.04857 1990 87.97353 1995 91.58859 2000 93.06318 2005 92.77212 2010 92.24905 2015 93.19364 2020 93.60525 2025 92.46619 2030 89.63975 2035 87.40078 2040 87.51118 2045 87.55785 2050 88.31051 2055 89.0301 2060 89.7267 2065 90.91049 2070 92.54247 2075 94.17617 2080 95.64821 2085 96.90605 2090 97.98147 2095 98.98675 2100 99.81417