Year	Percent
1950	10.37089
1955	10.73906
1960	10.99593
1965	11.23648
1970	9.30998
1975	9.4816
1980	10.92077
1985	10.73626
1990	10.50219
1995	11.085
2000	10.59251
2005	11.79708
2010	10.93397
2015	10.40006
2020	9.74951
2025	8.87693
2030	8.5548
2035	8.23543
2040	7.93903
2045	7.59268
2050	7.1933
2055	6.81241
2060	6.51742
2065	6.3187
2070	6.18117
2075	6.06727
2080	5.9417
2085	5.82071
2090	5.70222
2095	5.62794
2100	5.57707