Year	% of population
2000	16.788550322652718
2001	16.929543303951895
2002	17.198333765313585
2003	17.475486737565024
2004	17.72230581774014
2005	18.049008294978112
2006	18.381260390159706
2007	18.701993516929832
2008	19.04919602105392
2009	19.386491736610555
2010	19.71091400078512
2011	20.059850554584564
2012	20.40358886318041
2013	20.748716271960685
2014	21.09857119077669
2015	21.46177867453617
2016	21.788390091739302
2017	22.096346701855673
2018	22.419591084137174
2019	22.7375541175159
2020	23.071388679634666
2021	23.39180102914479
2022	23.682510471096364