Year	% of population
2008	87.343314496392
2009	87.3365062998781
2010	87.3308483897445
2011	87.3308489035867
2012	87.3308470343719
2013	87.330931505663
2014	87.3310835006289
2015	87.3313301933367
2016	87.331647563873