Year	Years
1950	88.07479
1955	89.97055
1960	91.76587
1965	92.89051
1970	92.34674
1975	91.60042
1980	90.68547
1985	89.09107
1990	86.87032
1995	84.2633
2000	82.34027
2005	80.89894
2010	80.1516
2015	79.98902
2020	80.14275
2025	81.07888
2030	82.25971
2035	83.55644
2040	84.81267
2045	85.63661
2050	86.00261
2055	86.57492
2060	87.60662
2065	89.0209
2070	90.82284
2075	92.86788
2080	94.89637
2085	96.67452
2090	98.04611
2095	98.98015
2100	99.63295