Year	Years
1950	79.38861
1955	79.22727
1960	80.86735
1965	82.85263
1970	84.44289
1975	85.91046
1980	86.42599
1985	83.08508
1990	83.99909
1995	82.42424
2000	81.04154
2005	79.36401
2010	78.6551
2015	81.0134
2020	81.27854
2025	80.50276
2030	79.43789
2035	78.58098
2040	80.01286
2045	81.1813
2050	82.12055
2055	82.88143
2060	83.01522
2065	83.01461
2070	82.7213
2075	82.13783
2080	81.5411
2085	80.9135
2090	80.53043
2095	80.60868
2100	81.03086