Year	% of population
2006	83.4654913527468
2007	83.5193781061259
2008	83.5733490752746
2009	83.6271512420424
2010	83.6810396572063
2011	83.8396028565901
2012	83.9897495448321
2013	84.1312079027739
2014	84.2641998657108
2015	84.3884898096763
2016	84.5042528318575
2017	84.6115156059532
2018	84.7103164250834
2019	84.8007549465735
2020	84.8829391617228
2021	84.9569378022214
2022	84.9635605847528