Year	Percent of People Ages 15 and Above
1977-01-01	82.2999572753906
1985-01-01	92.2300491333008
1990-01-01	96.0182571411133
1995-01-01	96.3264999389648
2006-01-01	98.3979034423828
2014-01-01	98.6101226806641