Year	Years
1950	81.25117
1955	77.74089
1960	73.16021
1965	66.59853
1970	62.43683
1975	60.94038
1980	65.54019
1985	69.01366
1990	71.95486
1995	72.27239
2000	72.86306
2005	72.83945
2010	72.91743
2015	72.92624
2020	72.20708
2025	72.25351
2030	71.92026
2035	71.79067
2040	72.6637
2045	73.68153
2050	75.25762
2055	76.89511
2060	79.15434
2065	81.54425
2070	83.68435
2075	85.58774
2080	87.25836
2085	88.63437
2090	89.58488
2095	90.09011
2100	90.30384