Year	Years
1950	93.63073
1955	92.31883
1960	91.69479
1965	92.01144
1970	92.37872
1975	92.6681
1980	92.50633
1985	92.37358
1990	92.30682
1995	92.28322
2000	92.13619
2005	91.92304
2010	91.75413
2015	91.78538
2020	91.78202
2025	91.036
2030	89.6336
2035	88.79378
2040	88.86413
2045	89.48358
2050	90.01215
2055	90.32097
2060	90.36991
2065	90.15905
2070	89.70549
2075	89.10947
2080	88.49196
2085	87.94132
2090	87.48278
2095	87.14957
2100	86.97282