Year	Years
1950	72.01747
1955	75.40171
1960	77.65622
1965	78.6838
1970	79.27217
1975	77.67367
1980	75.00641
1985	75.50844
1990	75.31825
1995	72.24233
2000	71.2316
2005	73.94871
2010	75.27139
2015	77.58669
2020	80.13945
2025	84.50526
2030	88.62781
2035	93.0686
2040	94.8278
2045	94.27745
2050	93.8792
2055	93.35014
2060	92.74802
2065	92.17633
2070	91.78958
2075	91.74331
2080	92.10638
2085	92.7954
2090	93.64525
2095	94.44996
2100	95.10045