Year	% of population
2000	20.76191244638427
2001	20.997037633884904
2002	21.20893377513215
2003	21.40677086863402
2004	21.69687237445548
2005	21.94180961012232
2006	22.199338175249654
2007	22.457836331943206
2008	22.73620655552804
2009	23.05125405463008
2010	23.376903489870354
2011	23.709466323103573
2012	24.09790822427683
2013	24.435246863767084
2014	24.812658155914466
2015	25.330218133253275
2016	26.016419691036933
2017	26.82632247277788
2018	27.754739634400078
2019	28.80752365428748
2020	29.89811600943462
2021	30.927111724209407
2022	31.583591466832253