Year	% of population
2008	51.5475050293665
2009	48.0861307664107
2010	54.8818465390219
2011	52.7907386051046
2013	61.8477585114689
2015	47.70670143174
2016	32.2561035967238
2017	40.9198989448655
2018	15.5654985580704
2019	9.05344226405455