Year	Percent
1950	8.32698
1955	6.05916
1960	5.88464
1965	5.41349
1970	5.88738
1975	6.36084
1980	5.98097
1985	5.30515
1990	6.2589
1995	6.28789
2000	6.43844
2005	6.12952
2010	5.39835
2015	5.48494
2020	6.08015
2025	7.50162
2030	8.79869
2035	10.12196
2040	11.7997
2045	14.38423
2050	17.38055
2055	20.191
2060	22.68736
2065	24.70607
2070	26.44011
2075	27.943
2080	29.47995
2085	30.94055
2090	32.20911
2095	33.24331
2100	34.07039