Year	Years
1950	87.71174
1955	85.87987
1960	84.06647
1965	82.57738
1970	80.49363
1975	77.57105
1980	77.08191
1985	76.84205
1990	75.99027
1995	74.97173
2000	74.33261
2005	74.91195
2010	76.41262
2015	78.99579
2020	81.0093
2025	82.24923
2030	82.91742
2035	83.49528
2040	84.14067
2045	84.89037
2050	85.24083
2055	85.604
2060	86.5248
2065	87.75009
2070	88.65883
2075	89.26506
2080	89.54995
2085	89.83069
2090	90.15562
2095	90.37666
2100	90.28484