Year	% of population
2008	58.8755724495664
2009	57.181987065451
2010	52.4250753386098
2011	51.5662298329908
2012	51.1471346356837
2014	48.2188695197704
2015	56.5852843191301
2016	61.0369802825234
2017	59.2054479856171
2018	60.2235064034575
2019	59.7200350823295
2020	77.9353594393838