Year	Years
1950	76.12802
1955	75.72348
1960	73.73512
1965	70.94306
1970	67.6161
1975	65.12341
1980	66.14732
1985	68.29107
1990	71.56885
1995	74.20844
2000	77.69075
2005	80.40509
2010	83.3876
2015	86.20678
2020	88.49563
2025	89.53106
2030	90.26865
2035	90.93868
2040	91.50694
2045	92.03033
2050	92.2488
2055	92.36142
2060	92.69389
2065	93.21956
2070	93.65024
2075	93.94885
2080	94.18925
2085	94.46242
2090	94.75176
2095	95.00803
2100	95.16288