Year	% of population
2008	49.4426018613973
2009	49.7165586243779
2010	53.6359565911435
2011	55.1366023259603
2012	52.404622964526
2013	52.1421629960893
2014	55.1119693012413
2015	52.2732916467146
2016	47.8320722250546
2017	54.5555808495234
2018	53.6749840105132
2019	51.4871615685437