Year Years 1950 90.28361 1955 88.39715 1960 86.60468 1965 84.13774 1970 82.42079 1975 81.47992 1980 81.21666 1985 80.94534 1990 80.45943 1995 82.93057 2000 85.11526 2005 95.32143 2010 97.69441 2015 92.65618 2020 90.0615 2025 86.50559 2030 81.36404 2035 76.67073 2040 73.58821 2045 73.32984 2050 76.69764 2055 80.55766 2060 83.4779 2065 86.00818 2070 88.51971 2075 90.9057 2080 93.06012 2085 94.85996 2090 96.41691 2095 97.71111 2100 98.80393