Year	Years
1950	66.06922
1955	63.40431
1960	61.46073
1965	57.47707
1970	54.69214
1975	53.85394
1980	57.36147
1985	60.33828
1990	63.54798
1995	63.6202
2000	64.22677
2005	64.48371
2010	65.03787
2015	65.82785
2020	65.65154
2025	65.39927
2030	65.50698
2035	66.65434
2040	68.55592
2045	69.98436
2050	70.99086
2055	72.21327
2060	74.07076
2065	76.44347
2070	78.76953
2075	80.95856
2080	82.88698
2085	84.49832
2090	85.73012
2095	86.54232
2100	87.08514