Year	Percent of People Ages 15 and Above
1976-01-01	63.2081489562988
1992-01-01	79.9917678833008
2001-01-01	86.7236709594727
2007-01-01	90.7434692382813
2008-01-01	90.6981124877930
2009-01-01	91.1678314208984
2011-01-01	92.2261505126953
2012-01-01	94.4605712890625
2015-01-01	92.4550781250000