Year	% of population
2008	42.1439100162534
2009	43.8210435599719
2010	42.7671967514931
2011	40.430120904142
2013	46.0253744408446
2015	32.6588884237123
2016	25.3855613926996
2017	34.0788548562908
2018	11.9102463521625
2019	7.31160461177049