Year	% of population
2000	11.52590439795372
2001	11.850593338062035
2002	12.175592061995731
2003	12.551722825279798
2004	12.924851256414607
2005	13.347701496159596
2006	13.804892752786618
2007	14.226284755377614
2008	14.644801461586704
2009	15.136871433447176
2010	15.5923281591116
2011	16.005356162999163
2012	16.46694455761363
2013	16.877312566791623
2014	17.401409684824703
2015	17.91123378561099
2016	18.463873940553047
2017	18.924037251517618
2018	19.43705420221095
2019	20.026254443085296
2020	20.647968706121976
2021	21.165877048846593
2022	21.863138698088935