Year	Percent
1950	26.74466
1955	26.42368
1960	26.23034
1965	25.20429
1970	24.52671
1975	24.70537
1980	25.17958
1985	25.91196
1990	26.80738
1995	27.4128
2000	28.61042
2005	30.20858
2010	31.85974
2015	33.68171
2020	34.77167
2025	35.076
2030	34.41814
2035	32.83881
2040	31.2447
2045	29.77926
2050	28.67766
2055	27.87008
2060	26.8891
2065	25.83459
2070	24.84671
2075	24.04194
2080	23.41966
2085	22.9396
2090	22.53308
2095	22.16873
2100	21.84498