Year	Percent of People Ages 15 and Above
1981-01-01	90.5123214721680
1991-01-01	92.6104507446289
2001-01-01	95.9943618774414
2005-01-01	93.0443115234375
2007-01-01	93.9315490722656
2009-01-01	93.9051132202148
2011-01-01	97.1287536621094