Year	% of population
2006	7.4559064466095
2009	15.2471563169275
2011	15.5986155941541
2012	16.1605472548327
2015	7.27669288983252
2016	5.68157744782981
2017	5.11722657452938
2018	5.3956864724881
2019	4.70648276787541
2020	33.0038914044824