Year	% of population
2001	6.497310193126322
2002	6.409244216261479
2003	6.230798630041548
2004	6.225101269726754
2005	6.166336525710443
2006	6.238498690771021
2007	6.251108299827565
2008	6.567335671633109
2009	8.05529046881804
2010	9.71593337556673
2011	11.653248081790778
2012	12.23042831998209
2013	12.778326181292886
2014	12.80981518419664
2015	12.852806389237912
2016	12.598302308348051
2017	12.239016288807658
2018	11.568051170892026
2019	11.208111877844662
2020	10.905259439481783
2021	10.938018672289402