Year Years 1950 48.57067 1955 50.55665 1960 54.95828 1965 55.20866 1970 54.88598 1975 54.21692 1980 57.00318 1985 59.88054 1990 62.85456 1995 63.09663 2000 63.6363 2005 64.06231 2010 64.71084 2015 66.59808 2020 68.49777 2025 71.2637 2030 73.97852 2035 76.51789 2040 79.27025 2045 80.99408 2050 81.93662 2055 82.85848 2060 84.0317 2065 84.63491 2070 85.19839 2075 85.75856 2080 86.37235 2085 87.1612 2090 87.98258 2095 88.41064 2100 88.46254