Year	Percent
1950	10.65392
1955	11.371
1960	10.98753
1965	10.84822
1970	11.51036
1975	12.40194
1980	12.79751
1985	13.50103
1990	13.60162
1995	14.13073
2000	14.35383
2005	15.94166
2010	17.05193
2015	17.74269
2020	17.8005
2025	17.0425
2030	15.77115
2035	15.49426
2040	15.94499
2045	17.3111
2050	19.99113
2055	21.43007
2060	21.81769
2065	21.65437
2070	20.84531
2075	20.92921
2080	21.78928
2085	22.59559
2090	22.84673
2095	22.46527
2100	21.9257