Year	% of population
2000	18.865948600361683
2001	19.642653621048463
2002	20.563219194980448
2003	21.576990435612522
2004	23.18502148637553
2005	24.651410573473733
2006	26.141601642352455
2007	27.689070095704373
2008	29.247628993830993
2009	30.812917345710343
2010	32.38727768124613
2011	33.98199010041339
2012	35.57300293897556
2013	37.17675532116341
2014	38.825595878142934
2015	40.48292562133469
2016	42.14005800406926
2017	43.709989733935856
2018	45.320620622047585
2019	46.92625221879532
2020	48.50470438312911
2021	50.00875330654567
2022	51.46246506142559