Year	% of population
2000	50.3774748337972
2001	50.3533590991828
2002	50.3292440251386
2003	50.3051261083316
2004	50.2810102735261
2005	48.2250235295595
2006	46.1708594812603
2007	44.1185208564065
2008	42.0680077564626
2009	40.011564772756
2010	37.9499297779167
2011	35.8842386631369
2012	33.8159404039936
2013	31.7458205394144
2014	29.6752972470095
2015	27.6049260257385
2016	25.5361375581162
2017	23.4700705713629
2018	21.4076450568338
2019	19.3502445567345
2020	17.2988256810804