Year	% of population
2007	2.52961733284023
2008	3.42905583718713
2009	3.05774543386745
2010	5.20346500292149
2011	3.38132421504009
2012	5.11247799274907
2013	3.75669824107673
2014	2.46429218806166
2015	3.44829402764806
2016	2.68831975003564
2017	3.33351121416828
2018	2.72615988778989
2019	3.71100808122298
2020	4.59934260970034