Year Years 1950 84.11888 1955 85.34249 1960 86.1343 1965 86.8524 1970 87.88128 1975 88.97803 1980 90.17767 1985 91.01266 1990 91.75191 1995 92.50719 2000 93.4788 2005 93.54136 2010 93.84578 2015 94.1324 2020 94.38121 2025 94.97356 2030 95.65708 2035 96.16997 2040 96.24539 2045 96.22054 2050 96.21322 2055 96.2322 2060 96.08912 2065 95.83599 2070 95.39118 2075 94.67603 2080 93.80927 2085 92.96981 2090 92.21362 2095 91.62064 2100 91.11953