Year	% of population
2008	1.64765137763738
2009	2.09582751140634
2010	1.94633784333971
2011	2.0813498721577
2012	2.30483273647099
2015	3.00474256892709
2016	2.90629827335039
2017	2.63116143284834
2018	3.25645096966374
2019	3.23039031821327
2020	6.98503140636644