Year	% of people ages 15 and above
1980	82.9892425537109
1990	87.55615234375
2000	90.5356216430664
2002	90.2746505737305
2004	90.953742980957
2005	91.6302719116211
2006	91.7345199584961
2007	92.7951736450195
2008	92.9255981445312
2009	93.4418792724609
2010	93.0689392089844
2011	93.5199813842773
2012	94.228401184082
2013	93.9628524780273
2014	94.5558776855469
2015	94.472282409668
2016	94.859619140625
2017	94.9727783203125
2018	95.3799133300781
2020	95.2478485107422