Year	% of population
2000	15.767380469905993
2001	15.961661713830996
2002	16.297275161883608
2003	16.640186637089794
2004	16.943062991412003
2005	17.331824190875786
2006	17.7120997820131
2007	18.06693592987624
2008	18.472439114574428
2009	18.87875280746938
2010	19.269391065634036
2011	19.66035114956985
2012	20.05858122077153
2013	20.501387311782555
2014	20.940113884937674
2015	21.376887167440294
2016	21.817357753104456
2017	22.264102975608715
2018	22.711928118340257
2019	23.14640680919694
2020	23.601031171454334
2021	23.989009611742173
2022	24.35796914521803