Year	% of population
2010	13.7994190890861
2011	12.9860480137225
2012	12.8161797625826
2014	13.3995592061476
2015	15.0355005927195
2016	15.0752664799423
2017	14.764745544275
2018	15.2977375908061
2019	15.8911210272326
2020	16.4887798656656