Year	Percent
1950	24.95167
1955	25.58486
1960	24.63004
1965	24.7964
1970	25.63763
1975	25.34643
1980	27.70587
1985	26.79173
1990	24.97702
1995	25.32473
2000	25.7211
2005	26.63557
2010	27.07687
2015	27.44089
2020	26.8765
2025	26.44042
2030	27.16069
2035	26.60618
2040	24.36195
2045	22.43385
2050	21.27688
2055	21.23459
2060	23.31012
2065	24.34375
2070	23.45343
2075	22.45561
2080	21.91289
2085	21.99225
2090	22.56071
2095	23.08553
2100	23.03394