Year	Percent
1950	9.98459
1955	8.911
1960	9.79556
1965	10.33928
1970	10.128
1975	8.81928
1980	8.47554
1985	7.91144
1990	8.16622
1995	8.30612
2000	7.56177
2005	5.89236
2010	5.01887
2015	5.25441
2020	5.86781
2025	5.98561
2030	6.08756
2035	5.79358
2040	5.37109
2045	5.2691
2050	5.50019
2055	5.74929
2060	5.81829
2065	5.67834
2070	5.44312
2075	5.31065
2080	5.36602
2085	5.50413
2090	5.56916
2095	5.49277
2100	5.34452