Year	% of population
2006	13.0596558622927
2007	13.9312083145108
2008	12.1690669553507
2009	9.95221752449927
2011	11.671045697437
2012	11.302314819772
2014	9.00551889340316
2015	9.13654459893247
2016	10.6868918538458
2017	9.18239494944052
2018	8.78907949057288
2019	11.0870277798752
2020	10.9234322766768