Year	% of population
2000	13.3858095689807
2001	13.7504771394736
2002	14.4912585801225
2003	16.5364386131506
2004	18.7051196156204
2005	20.9939612070134
2006	23.3882035150291
2007	25.8891268633777
2008	28.5018140150073
2009	31.2214592412194
2010	34.0472448660203
2011	36.9507361108525
2012	39.938985413215
2013	43.0189727911805
2014	46.1899310936473
2015	49.4481203184288
2016	52.7910624216511
2017	56.2128873830603
2018	59.700945981579
2019	63.2498394976181
2020	64.6096780871316
2021	65.9328271010443
2022	67.220232502194
