Year	Years
1950	91.06948
1955	92.03688
1960	95.73175
1965	89.79916
1970	92.07541
1975	92.59118
1980	95.01097
1985	94.83214
1990	94.70099
1995	92.35646
2000	87.79641
2005	86.41623
2010	82.33936
2015	77.50327
2020	79.21725
2025	83.97096
2030	88.89939
2035	91.80715
2040	96.22518
2045	97.29527
2050	96.97341
2055	97.45617
2060	97.94786
2065	97.58111
2070	97.74331
2075	97.98862
2080	98.25385
2085	98.50333
2090	98.71062
2095	98.92651
2100	99.16085