Year	% of population
2007	1.15942303042273
2008	0.628638644598407
2009	0.945141370659747
2010	1.94552687111353
2011	0.837244509042205
2012	1.14938479063376
2014	1.75436919493485
2015	1.17118952785962
2016	1.10665373447677
2017	1.34008561907234
2018	1.65183566498077
2019	1.78336311621418