Year	Years
1950	79.90633
1955	83.61732
1960	86.31516
1965	87.37223
1970	85.77253
1975	83.92533
1980	81.59335
1985	79.22351
1990	76.35129
1995	74.19763
2000	74.42991
2005	75.90679
2010	77.30544
2015	78.77584
2020	79.62796
2025	81.03895
2030	82.71736
2035	83.93059
2040	84.81992
2045	85.7362
2050	86.43662
2055	87.03547
2060	87.7562
2065	88.51827
2070	89.39273
2075	90.40412
2080	91.41809
2085	92.35272
2090	93.10206
2095	93.61264
2100	93.89929