Year	% of population
2000	29.2185894447175
2001	29.1818623967552
2002	29.1455987963085
2003	29.1098439159296
2004	29.074470795005
2005	29.0243764934826
2006	28.8781102180103
2007	28.7286465123641
2008	28.5760324815681
2009	28.420187937055
2010	28.2611220009847
2011	28.0920101247269
2012	27.858144227745
2013	27.6213626928959
2014	27.3803424983411
2015	27.13514467861
2016	26.8856274427559
2017	26.6307773046778
2018	26.3717155572467
2019	26.1084171545447
2020	25.8241922623876
2021	25.5347010564286
2022	25.3874403289756