Year	Years
1950	56.966
1955	57.21684
1960	59.40035
1965	59.4297
1970	58.70378
1975	56.17753
1980	57.50155
1985	59.74515
1990	62.57172
1995	62.11378
2000	61.37768
2005	61.63649
2010	62.27765
2015	63.68474
2020	64.51178
2025	65.87387
2030	67.35141
2035	69.53477
2040	71.99288
2045	73.77676
2050	74.83398
2055	76.33986
2060	78.45708
2065	80.60847
2070	82.5351
2075	84.264
2080	85.77587
2085	87.08076
2090	88.11658
2095	88.71272
2100	89.00295