Year Years 1950 75.84842 1955 77.4796 1960 77.76403 1965 75.5459 1970 72.62811 1975 70.3186 1980 71.10994 1985 73.62059 1990 82.46609 1995 81.89147 2000 83.17264 2005 84.64078 2010 85.56269 2015 86.52372 2020 86.63693 2025 86.0825 2030 86.09642 2035 86.78159 2040 87.77579 2045 89.23239 2050 90.77822 2055 92.57912 2060 94.49458 2065 96.07305 2070 97.30423 2075 98.10427 2080 98.59887 2085 98.81529 2090 98.87084 2095 98.81709 2100 98.70737