Year	% of population
2001	12.516269771690684
2002	11.826738284103016
2003	11.058591470728217
2004	10.61126382682189
2005	10.29604130820861
2006	10.00754912292062
2007	10.018704498766958
2008	10.079597374140302
2009	10.82557070533605
2010	11.353842500202077
2011	11.848156619337308
2012	11.52021290559029
2013	11.169900990577478
2014	10.818425889051346
2015	10.643246398832265
2016	10.475164929026693
2017	10.210317396614997
2018	9.832203181419333
2019	9.59227607047426
2020	9.431869269682405
2021	9.36462547478528