Year	% of population
2007	1.89381215314956
2008	0.600210958313518
2009	1.40764911834396
2010	2.18314075583318
2011	0.996744055618545
2012	1.24870177328153
2014	1.57786552839884
2015	1.29074744813961
2016	1.07259713073745
2017	1.62678865808177
2018	1.52784875192947
2019	1.25981221413675