Year	Years
1950	53.31074
1955	59.95082
1960	67.54456
1965	73.7945
1970	81.16942
1975	85.29765
1980	91.42769
1985	93.58227
1990	95.74411
1995	97.67256
2000	99.69073
2005	95.51359
2010	94.76504
2015	90.91033
2020	86.2677
2025	81.50953
2030	76.48543
2035	71.97988
2040	69.04318
2045	67.40537
2050	66.87633
2055	66.70265
2060	68.03897
2065	70.42184
2070	73.74412
2075	77.4773
2080	81.26932
2085	84.71449
2090	87.58595
2095	89.85421
2100	91.34105