Year	Percent
1950	28.69816
1955	28.44589
1960	28.05881
1965	27.69008
1970	27.22923
1975	27.049
1980	27.60407
1985	26.95145
1990	25.11011
1995	27.92691
2000	28.04928
2005	27.89716
2010	27.45225
2015	27.38515
2020	27.93798
2025	28.78363
2030	29.70887
2035	30.37782
2040	30.70483
2045	30.88238
2050	31.02892
2055	31.13377
2060	31.15894
2065	30.99383
2070	30.64213
2075	30.17519
2080	29.66631
2085	29.14033
2090	28.6199
2095	28.08922
2100	27.56129