Year	% of population
2007	6.48949668309249
2008	4.83934898552642
2009	6.35813126417829
2010	6.93803162892429
2011	6.55709086799391
2012	7.64787049389908
2013	6.81070872210973
2014	7.35271065524817
2015	11.8029115117703
2016	5.25395201314741
2017	5.22734343617331
2018	6.64438047753199
2019	7.75835776786455