Year	Years
1950	87.89074
1955	86.04948
1960	85.01963
1965	84.50003
1970	84.85915
1975	85.25308
1980	85.37447
1985	85.29035
1990	84.57703
1995	84.61854
2000	84.38196
2005	83.4024
2010	83.02725
2015	83.06523
2020	83.31742
2025	83.60499
2030	83.93583
2035	84.48057
2040	84.53512
2045	84.56615
2050	84.55896
2055	84.54562
2060	84.15905
2065	83.41522
2070	82.54964
2075	81.71106
2080	81.00294
2085	80.47768
2090	80.09996
2095	79.8707
2100	79.82011