Year	Percent of People Ages 15 and Above
1976-01-01	36.5183982849121
1986-01-01	52.3197593688965
1991-01-01	65.5314025878906
1996-01-01	73.0602493286133
2002-01-01	77.0000000000000
2005-01-01	82.4412002563477
2006-01-01	82.3313217163086
2008-01-01	82.9623031616211
2012-01-01	83.6259918212891
2013-01-01	84.6268005371094
2014-01-01	84.7052383422852