Year	Percent
1950	27.81589
1955	27.24753
1960	25.90805
1965	26.15913
1970	27.70739
1975	29.07129
1980	30.17092
1985	31.8
1990	31.81835
1995	31.77499
2000	30.78064
2005	31.59177
2010	32.22486
2015	31.85385
2020	30.87483
2025	29.8626
2030	30.16905
2035	30.33409
2040	30.52683
2045	30.23744
2050	29.21526
2055	28.33348
2060	27.76029
2065	27.33927
2070	26.85603
2075	26.22508
2080	25.54415
2085	24.89491
2090	24.35287
2095	23.9256
2100	23.56308