Year	Years
1950	87.0198
1955	85.03994
1960	81.74648
1965	76.93019
1970	76.46084
1975	79.35459
1980	83.99393
1985	87.01458
1990	88.98839
1995	80.64768
2000	80.89235
2005	81.82093
2010	84.76942
2015	89.18788
2020	90.50718
2025	88.65053
2030	87.43931
2035	85.25292
2040	86.49719
2045	85.71868
2050	85.79969
2055	85.92027
2060	86.22356
2065	86.5605
2070	86.8643
2075	87.25248
2080	87.64403
2085	88.02524
2090	88.35596
2095	88.63976
2100	88.90678