Year	% of population
2005	13.5250105622411
2006	10.8527343032434
2007	8.84279743783847
2008	7.23717338743402
2009	8.04480117163566
2010	2.16680911164623
2011	1.82118161328448
2012	1.81365179050561
2015	1.24098441221581
2016	1.17419571889062
2017	1.23277961621789