Year	Percent
1950	14.71823
1955	13.54765
1960	12.91364
1965	12.2676
1970	12.40024
1975	13.75135
1980	12.95542
1985	14.39578
1990	18.99485
1995	19.52226
2000	24.67924
2005	25.68811
2010	23.706
2015	23.02515
2020	24.29437
2025	25.45137
2030	27.50345
2035	30.00332
2040	31.88663
2045	33.03272
2050	32.67447
2055	31.18005
2060	29.9799
2065	28.78739
2070	27.93823
2075	27.21199
2080	26.58837
2085	26.12578
2090	25.80182
2095	25.69817
2100	25.6349