Year	% of population
2000	16.788550322652714
2001	16.929543303951895
2002	17.198333765313592
2003	17.475486737565024
2004	17.722305817740143
2005	18.049008294978112
2006	18.38126039015971
2007	18.701993516929832
2008	19.04919602105392
2009	19.386491736610555
2010	19.71091400078512
2011	20.059850554584557
2012	20.403588863180413
2013	20.748716271960685
2014	21.098571190776696
2015	21.46177867453617
2016	21.788390091739295
2017	22.096346701855673
2018	22.41959108413717
2019	22.73755411751589
2020	23.071388679634666
2021	23.39180102914479
2022	23.68251047109636