Year	Percent of People Ages 15 and Above
1981-01-01	92.8097686767578
1991-01-01	96.4949722290039
2004-01-01	97.1651229858398
2005-01-01	97.7506866455078
2007-01-01	97.9388427734375
2008-01-01	97.6306076049805
2009-01-01	97.6792678833008
2010-01-01	97.7489013671875
2011-01-01	97.7837524414063
2012-01-01	97.8945388793945
2013-01-01	98.0791320800781
2014-01-01	98.0937194824219
2015-01-01	98.1432571411133
2016-01-01	98.2505111694336