Year	% of population
2008	2.63201012206556
2009	5.10677917928868
2010	4.75179674396898
2011	5.56511033919862
2012	5.16893433750414
2013	4.96219025303065
2014	6.06973980083047
2015	4.48932019585257
2016	4.89437587597646
2017	7.45199243028083
2018	7.78095220982397
2019	5.76260138668848