Year	Percent
1950	25.86897
1955	26.23654
1960	26.71869
1965	26.14815
1970	25.32715
1975	25.52252
1980	26.01439
1985	26.79389
1990	27.6226
1995	27.8011
2000	27.91558
2005	27.95507
2010	28.20498
2015	28.90126
2020	29.86881
2025	30.62085
2030	31.02544
2035	30.98068
2040	30.79135
2045	30.71385
2050	30.66788
2055	30.5747
2060	30.27428
2065	29.86571
2070	29.44736
2075	29.0741
2080	28.70518
2085	28.30522
2090	27.86997
2095	27.39343
2100	26.91712