Year	Years
1950	77.14444
1955	77.43739
1960	74.615
1965	70.61704
1970	66.80817
1975	63.99813
1980	65.30335
1985	68.06628
1990	73.29183
1995	77.01438
2000	80.12648
2005	83.02666
2010	85.77378
2015	87.89973
2020	89.79744
2025	90.65399
2030	91.3493
2035	92.09154
2040	92.85115
2045	93.51076
2050	93.98231
2055	94.24372
2060	94.57798
2065	94.96425
2070	95.25754
2075	95.39288
2080	95.48181
2085	95.60543
2090	95.75507
2095	95.86874
2100	96.00727