Year	% of population
2009	1.13946823961092
2010	1.04459968346321
2011	0.853320370913091
2012	0.840863243694171
2013	0.827594921782599
2014	1.27874983400007
2015	1.47963546563522
2016	1.33637949819189
2017	1.51898242942811
2018	1.44903742578804
2019	1.82680596815021