Year	% of population
2006	38.5893180624882
2009	19.360190867558
2011	21.2676161786702
2012	22.7328261335698
2015	33.5594909375996
2016	32.1375690815748
2017	30.4185895113026
2018	30.3027055076077
2019	30.1544493493811
2020	73.176792019977