Year	Years
1950	67.17064
1955	67.82177
1960	66.41345
1965	66.1962
1970	66.97652
1975	68.6209
1980	68.93816
1985	69.34403
1990	71.19882
1995	73.87421
2000	75.4461
2005	76.01865
2010	76.36456
2015	76.25184
2020	77.83761
2025	81.04403
2030	84.76747
2035	87.35368
2040	88.53438
2045	89.01101
2050	88.9725
2055	88.53779
2060	88.0625
2065	87.82287
2070	87.76928
2075	87.90551
2080	88.13359
2085	88.38612
2090	88.61293
2095	88.81611
2100	89.02527