Year	Years
1950	83.38709
1955	86.78784
1960	88.85584
1965	90.44657
1970	92.00825
1975	95.33417
1980	96.87
1985	98.27801
1990	99.40026
1995	99.0421
2000	97.32769
2005	94.00722
2010	93.12164
2015	93.18156
2020	93.2109
2025	93.66258
2030	94.34732
2035	94.94196
2040	95.01387
2045	94.54626
2050	93.90919
2055	93.57244
2060	93.34336
2065	93.1956
2070	93.024
2075	92.81682
2080	92.43216
2085	91.83704
2090	91.12632
2095	90.34
2100	89.53534