Year	% of population
2000	17.7746548773826
2001	18.0717739021835
2002	18.3696591968195
2003	18.6673489023335
2004	18.9649753817784
2005	19.261614697307
2006	19.5580767742152
2007	19.853440084707
2008	20.1478049028966
2009	20.4402913687678
2010	20.731942283858
2011	21.0218553459127
2012	21.3100808491234
2013	21.5960541502346
2014	21.8797984276954
2015	22.1610386387436
2016	22.4392222957992
2017	22.7140842562389
2018	22.9856159322566
2019	23.2532774759566
2020	23.5168018782756
2021	23.7759180103831
2022	23.871601843252