Year	Years
1950	72.7766
1955	73.78552
1960	75.47955
1965	76.87007
1970	77.26865
1975	77.90092
1980	78.52344
1985	78.99816
1990	79.4311
1995	79.53725
2000	80.19788
2005	80.76477
2010	80.92175
2015	80.35473
2020	80.52402
2025	81.18923
2030	81.77291
2035	82.12245
2040	82.27795
2045	82.54934
2050	83.18881
2055	84.37339
2060	85.62129
2065	87.09364
2070	88.69702
2075	90.43197
2080	92.09757
2085	93.42077
2090	94.36093
2095	94.98825
2100	95.4872