Year	% of people ages 15 and above
1975	61.6276817321777
1980	65.6943435668945
1985	75.9682388305664
1990	79.2324523925781
2004	87.3654937744141
2005	88.2290573120117
2006	88.1193923950195
2007	88.6558990478516
2009	90.8167190551758
2010	92.6605987548828
2011	94.106086730957
2012	94.9197463989258
2013	95.2566604614258
2014	95.4396286010742
2015	95.6014175415039
2016	96.1673278808594
2017	96.1505279541016
2019	96.7422103881836