Year Years 1950 75.73528 1955 66.43771 1960 62.62604 1965 64.01605 1970 63.0547 1975 59.93091 1980 57.62583 1985 59.34627 1990 65.7627 1995 70.5841 2000 71.65904 2005 71.50899 2010 74.55751 2015 76.56799 2020 79.29673 2025 80.92749 2030 80.94455 2035 80.95147 2040 80.70212 2045 80.79398 2050 81.31062 2055 82.10489 2060 83.15312 2065 84.3655 2070 85.63571 2075 86.83132 2080 88.02778 2085 89.26504 2090 90.44661 2095 91.50988 2100 92.40707