Year	% of population
2007	5.07952653091334
2008	5.69773760002233
2009	6.68247924080475
2010	5.90483386670757
2011	6.31101299786414
2012	5.21631708485283
2013	5.04858863441349
2014	5.48316160368891
2015	5.29466661506232
2016	5.43436593548234
2017	5.39591051313547
2018	5.33113181777497
2019	5.65368703601549
2020	6.35689396298587