Year	Years
1950	72.59468
1955	74.92538
1960	76.58347
1965	77.21273
1970	76.4787
1975	78.1076
1980	79.06719
1985	79.93408
1990	80.97024
1995	82.39451
2000	84.11029
2005	84.9009
2010	85.18542
2015	86.04767
2020	87.0258
2025	87.77425
2030	88.08186
2035	88.07541
2040	87.98312
2045	88.06872
2050	88.46241
2055	88.95602
2060	89.48707
2065	89.96506
2070	90.36127
2075	90.64109
2080	90.83908
2085	91.02488
2090	91.14911
2095	91.21401
2100	91.27969
