Year	Years
1950	81.82904
1955	84.44364
1960	83.97805
1965	86.99765
1970	87.51958
1975	88.23719
1980	88.85721
1985	89.42591
1990	89.56312
1995	90.52155
2000	90.04541
2005	87.25166
2010	84.00004
2015	82.11611
2020	80.88003
2025	80.15483
2030	79.20608
2035	79.04689
2040	78.63188
2045	77.93526
2050	77.11357
2055	76.65182
2060	77.33902
2065	79.13261
2070	80.71595
2075	82.11926
2080	83.46194
2085	84.69452
2090	85.75947
2095	86.6877
2100	87.63758