Year	% of population
2000	18.819772439675063
2001	19.03173989083546
2002	19.252465843994507
2003	19.479597621302332
2004	19.703175917240397
2005	20.00325957054888
2006	20.30437827931056
2007	20.57712704118026
2008	20.891992204496884
2009	21.183437516595056
2010	21.469641395247272
2011	21.793776831365857
2012	22.102487718737958
2013	22.408664901745084
2014	22.720013773736177
2015	23.05099800931583
2016	23.31258630791128
2017	23.53620111175143
2018	23.782114396126108
2019	24.01455530916067
2020	24.270356284403636
2021	24.468811373083273
2022	24.612972657045336