Year	Years
1950	77.51432
1955	68.2975
1960	65.62012
1965	64.01095
1970	60.74702
1975	59.85254
1980	66.33014
1985	72.95343
1990	76.33565
1995	78.02445
2000	79.87429
2005	82.43922
2010	83.5536
2015	83.79937
2020	82.74018
2025	81.65367
2030	81.20804
2035	81.36087
2040	81.2463
2045	81.85294
2050	83.04425
2055	84.45225
2060	86.20744
2065	88.54464
2070	90.07029
2075	91.38092
2080	92.62361
2085	93.7642
2090	94.53102
2095	94.84365
2100	94.89361