Year	% of population
2000	16.2466517570735
2001	16.6439449805005
2002	17.0602621137459
2003	17.4836356667998
2004	17.91044331802
2005	18.3350731902765
2006	18.7575170034469
2007	19.1776633058724
2008	19.5954371696409
2009	20.0107542196968
2010	19.6264225977841
2011	19.2028198824
2012	18.7402421820197
2013	18.239001351505
2014	17.6994200863311
2015	17.121813803066
2016	16.5065401346522
2017	15.8539841033719
2018	15.1645849396751
2019	14.4388127614477
2020	13.6771811839079
2021	13.870415364221
2022	14.0616021929541