Year	% of people ages 15 and above
1980	83.3172302246094
1990	93.5738983154297
1994	93.9159698486328
2000	92.6000595092773
2003	92.590690612793
2008	95.4200973510742
2013	96.3980026245117
2015	98.1825485229492
2019	96.2781677246094
2020	98.4745712280273