Year	% of population
2008	49.848261427581
2009	49.0048182774544
2010	51.238232555145
2011	49.159319655026
2013	54.2167610960566
2015	43.9853883137334
2016	33.1488007222732
2017	40.9029634013282
2018	17.9090182071924
2019	11.1974686436938