Year	Years
1950	79.73097
1955	86.26487
1960	88.66418
1965	84.63106
1970	77.60038
1975	70.41984
1980	75.20644
1985	77.71569
1990	79.83852
1995	79.74248
2000	79.47501
2005	81.10363
2010	83.42279
2015	84.49561
2020	85.08362
2025	85.97845
2030	87.07603
2035	88.10418
2040	89.13758
2045	90.11705
2050	91.43597
2055	92.55103
2060	93.74635
2065	94.81062
2070	95.58066
2075	96.09681
2080	96.47805
2085	96.75362
2090	97.01141
2095	97.29825
2100	97.57613