Year	Years
1950	98.17351
1955	96.13866
1960	94.30823
1965	91.9249
1970	90.0252
1975	88.06359
1980	85.88524
1985	83.74407
1990	80.67757
1995	78.55994
2000	77.10884
2005	76.66364
2010	76.15828
2015	76.57423
2020	77.28332
2025	78.88468
2030	80.46959
2035	81.75286
2040	83.21402
2045	84.83267
2050	86.31605
2055	87.71358
2060	88.99166
2065	89.95652
2070	90.72124
2075	91.33765
2080	91.79814
2085	92.07768
2090	92.32997
2095	92.63647
2100	92.91839