Year Years 1950 92.45154 1955 91.41068 1960 90.82831 1965 90.86179 1970 91.1249 1975 90.97906 1980 90.83137 1985 90.38698 1990 88.83852 1995 85.96316 2000 82.39426 2005 79.24664 2010 78.02892 2015 78.6037 2020 81.32621 2025 84.55476 2030 87.07171 2035 88.89525 2040 90.14075 2045 90.98915 2050 91.52209 2055 91.98698 2060 92.40229 2065 92.74216 2070 92.98074 2075 93.25579 2080 93.52183 2085 93.74824 2090 93.96222 2095 94.16878 2100 94.43111