Year	Percent
1950	3.72831
1955	3.56788
1960	4.819
1965	5.22119
1970	5.6018
1975	6.10905
1980	6.51669
1985	6.75711
1990	9.46822
1995	9.83418
2000	9.55126
2005	9.06934
2010	11.30202
2015	12.30821
2020	14.03699
2025	16.68056
2030	19.46288
2035	21.869
2040	24.39678
2045	27.06937
2050	29.5547
2055	33.19704
2060	36.3405
2065	38.23579
2070	39.0396
2075	39.69578
2080	40.16454
2085	40.38045
2090	40.39704
2095	40.26493
2100	40.06215