Year	% of population
2008	16.1107445320871
2009	14.2599962939035
2010	14.5965279266646
2011	14.7408026851508
2012	16.8619450416309
2013	18.7610973077669
2014	16.9579383886256
2015	24.9203982032456
2016	23.080749741313
2017	26.5205755086492
2018	32.4410154102966
2019	32.2193296223393