Year	% of population
2008	26.5009630827212
2009	26.5009630827212
2010	26.5009630827212
2011	26.5009630827212
2012	26.5009630827212
2013	24.7522540709037
2014	23.0035450590867
2015	21.2548360472692
2016	19.5061270354522
2017	17.7574180236347
2018	16.0087090118172
2019	14.2600000000002
2020	12.5112909881827
2021	10.7625819763657
2022	10.7625819763657