Year	% of population
2007	2.27238722928459
2008	6.07060130205039
2009	7.10078542492952
2010	11.1263795097297
2011	8.78418303017542
2012	12.0625704250008
2013	12.1203782863516
2014	11.7666606070202
2015	9.11413586188904
2016	21.9632991503453
2017	23.6790376811252
2018	24.0796074600493
2019	20.8904826441976