Year	Percent of People Ages 15 and Above
1980-01-01	74.5867309570313
2000-01-01	86.3678817749023
2004-01-01	88.6162414550781
2006-01-01	89.6152267456055
2007-01-01	90.0093688964844
2008-01-01	90.0366210937500
2009-01-01	90.2982101440430
2010-01-01	90.3791809082031
2011-01-01	91.4112396240234
2012-01-01	91.3378524780273
2013-01-01	91.4842376708984
2014-01-01	91.7294311523438