Year	Years
1950	79.89795
1955	80.64999
1960	80.92119
1965	80.55475
1970	76.98072
1975	76.0117
1980	75.53516
1985	75.36015
1990	74.67436
1995	75.92339
2000	78.32084
2005	80.27565
2010	82.02281
2015	83.36766
2020	84.78465
2025	86.58823
2030	88.29265
2035	89.54753
2040	90.73818
2045	91.71977
2050	92.28572
2055	92.61732
2060	92.94693
2065	93.22671
2070	93.64381
2075	94.19569
2080	94.74954
2085	95.2199
2090	95.67267
2095	95.93224
2100	95.97616