Year	% of population
2000	18.61251471302553
2001	18.68818782915038
2002	19.06219176152004
2003	19.42837080420033
2004	19.746569274829778
2005	20.121580719346156
2006	20.501437042022935
2007	20.874321081583
2008	21.262487047921155
2009	21.627783996034964
2010	22.000891701262393
2011	22.387767723838518
2012	22.75246152090302
2013	23.117708625941514
2014	23.548347841086656
2015	23.987397444084625
2016	24.4439910966944
2017	24.90208977800292
2018	25.354874733942726
2019	25.80305073530183
2020	26.258939864747113
2021	26.690030879670445
2022	26.995849744688933