Year	Percent of People Ages 15 and Above
1981-01-01	73.0645675659180
2002-01-01	86.9964675903320
2007-01-01	88.2444610595703
2010-01-01	89.5387268066406
2011-01-01	90.1063766479492
2012-01-01	90.1551818847656
2013-01-01	90.8581466674805
2014-01-01	91.7637634277344
2015-01-01	91.9912109375000