Year Years 1950 79.07766 1955 79.33877 1960 80.15322 1965 79.7225 1970 79.17199 1975 79.68015 1980 81.02971 1985 81.325 1990 81.26303 1995 81.8035 2000 82.90558 2005 83.77482 2010 84.81515 2015 85.78062 2020 87.28427 2025 88.72335 2030 89.46036 2035 89.20744 2040 88.46137 2045 87.60217 2050 86.7372 2055 86.05223 2060 85.69443 2065 85.38691 2070 85.39234 2075 85.77479 2080 86.34444 2085 86.68897 2090 86.75185 2095 86.6303 2100 86.46547