Year	Percent
1950	14.69565
1955	14.13968
1960	11.54529
1965	10.82965
1970	13.23676
1975	15.21957
1980	17.81425
1985	17.18817
1990	15.38588
1995	15.097
2000	16.83466
2005	21.33123
2010	24.18577
2015	24.61065
2020	24.24665
2025	24.75977
2030	26.88527
2035	28.89374
2040	29.18396
2045	27.68138
2050	26.1704
2055	26.65143
2060	27.72853
2065	28.53226
2070	28.28291
2075	26.5747
2080	25.64487
2085	25.52526
2090	25.65996
2095	25.49795
2100	25.01548