Year	Age
1950	20.68
1955	20.12
1960	17.736
1965	16.401
1970	14.972
1975	16.51
1980	17.479
1985	18.926
1990	21.444
1995	23.093
2000	24.285
2005	26.157
2010	30.346
2015	32.632
2020	34.921
2025	37.127
2030	39.415
2035	41.982
2040	44.492
2045	46.823
2050	48.862
2055	50.438
2060	51.35
2065	52.07
2070	52.689
2075	53.161
2080	53.415
2085	53.416
2090	53.171
2095	52.782
2100	52.478