Year	% of population
2008	0.321075127065963
2009	0.0330901531490147
2010	0.224091828250582
2011	0.767935120109612
2013	0.566265024755318
2015	0.328066043940782
2016	0.31034939845482
2017	0.0882511456415445
2018	0.469337656052293
2019	0.202738011804246