Year	Years
1950	81.96382
1955	80.95578
1960	80.52399
1965	79.41573
1970	79.76978
1975	79.19988
1980	78.29833
1985	80.57049
1990	84.63465
1995	87.74408
2000	85.1428
2005	75.44002
2010	71.32904
2015	67.01461
2020	64.89179
2025	64.40085
2030	65.43434
2035	69.50542
2040	74.67231
2045	78.20416
2050	80.04989
2055	81.02092
2060	81.66545
2065	82.06572
2070	82.29735
2075	82.4236
2080	82.6564
2085	82.99781
2090	83.38689
2095	83.75201
2100	84.09769