Year	Years
1950	77.75062
1955	70.25019
1960	80.86206
1965	82.56341
1970	89.56172
1975	82.93824
1980	80.80455
1985	80.69341
1990	80.6684
1995	79.95559
2000	79.73052
2005	78.98025
2010	81.51249
2015	82.9213
2020	79.46895
2025	75.09101
2030	71.12621
2035	68.38986
2040	65.06493
2045	63.27281
2050	63.51825
2055	64.3858
2060	66.35295
2065	69.00634
2070	72.22965
2075	75.29423
2080	77.73196
2085	79.46651
2090	80.56646
2095	80.82789
2100	80.93978