Year	% of population
2008	18.4191626978381
2010	27.4625053291644
2011	13.6507192432554
2012	33.661066019761
2014	33.3093034953
2015	31.2076249311674
2016	35.9575581347062
2017	30.3310697199237
2018	3.42970093236571
2019	2.66067903626016
2020	6.75429317625189