Year	% of population
2000	22.0132957543959
2001	21.5533150051435
2002	21.0971672378265
2003	20.6448905848256
2004	20.1965251173582
2005	19.7520060166197
2006	19.3155448289318
2007	18.8875223397891
2008	18.4680103789469
2009	17.9904387695786
2010	17.5183115386851
2011	17.0515657397649
2012	16.590126219318
2013	16.1339091051517
2014	15.682844751873
2015	15.2368287657168
2016	14.7957616498896
2017	14.3595111709982
2018	13.9279930008082
2019	13.5010596668643
2020	13.0785833669272
2021	13.0584065243194
2022	13.0357748042804