Year	% of population
2008	60.0828359877969
2009	55.2344040474434
2010	61.1684359945273
2011	60.7618375750323
2013	65.9523019659881
2015	52.4031925341705
2016	41.8091740067583
2017	53.4527632545096
2018	23.7541020718263
2019	14.2384237049733