Year	Percent
1950	10.1985
1955	10.38655
1960	10.45645
1965	10.97355
1970	10.37901
1975	10.5007
1980	11.80724
1985	11.17094
1990	11.59146
1995	7.65267
2000	10.344
2005	10.5648
2010	10.47683
2015	12.47896
2020	11.23259
2025	11.54529
2030	11.46713
2035	11.0098
2040	10.88383
2045	10.70382
2050	10.3565
2055	9.90499
2060	9.44157
2065	8.99859
2070	8.63331
2075	8.29033
2080	7.96029
2085	7.60539
2090	7.24994
2095	6.94058
2100	6.6546