Year	% of population
2007	1.01106991028966
2008	0.904325745000395
2009	0.732199650463193
2010	1.92289408439671
2011	0.838181734471587
2012	0.909679790471783
2014	1.99608137996894
2015	0.892733939548982
2016	0.927895075537033
2017	0.935872185425427
2018	1.8487633190881
2019	1.95818841392722