Year	Percent
1950	9.63848
1955	10.62974
1960	6.78043
1965	7.02387
1970	8.84862
1975	9.60379
1980	9.56808
1985	8.19025
1990	7.63582
1995	7.4713
2000	7.95261
2005	8.91068
2010	7.81022
2015	5.9721
2020	5.40142
2025	6.39522
2030	7.14376
2035	6.62306
2040	6.04636
2045	5.68078
2050	5.67475
2055	5.90815
2060	6.08808
2065	5.99086
2070	5.70971
2075	5.48121
2080	5.4294
2085	5.49935
2090	5.55483
2095	5.49829
2100	5.34408