Year	% of people ages 15 and above
1975	59.5643882751465
1980	67.5176620483398
1985	74.4908676147461
1995	78.3955001831055
2005	93.2744598388672
2006	93.2821197509766
2007	93.664192199707
2008	93.8983001708984
2010	94.4690093994141
2012	95.5131683349609
2013	95.585823059082
2015	95.6854476928711
2017	96.0359497070312
2018	96.0564727783203
2020	96.4575424194336