Year	Percent
1950	5.06235
1955	5.59755
1960	5.87923
1965	6.02424
1970	6.1116
1975	6.2082
1980	6.24673
1985	6.31588
1990	7.00517
1995	7.17511
2000	7.19026
2005	7.05931
2010	7.53496
2015	7.70553
2020	8.24774
2025	9.00635
2030	9.87974
2035	10.86959
2040	12.2062
2045	13.77937
2050	15.43934
2055	16.43161
2060	17.01088
2065	17.73549
2070	18.68597
2075	20.70376
2080	22.38483
2085	23.72856
2090	24.93197
2095	26.26006
2100	27.73872