Year	% of population
2000	18.91068364448082
2001	19.04770085572849
2002	19.27861046378151
2003	19.56293322765894
2004	19.86467965176306
2005	20.22456970385958
2006	20.66024515320753
2007	21.13699989365134
2008	21.61314674712312
2009	22.0523938913148
2010	22.52625229644758
2011	22.5821845394643
2012	23.00539349983294
2013	23.3493534657775
2014	23.71102024380622
2015	24.18121308440618
2016	24.73885749327601
2017	25.32074955572115
2018	25.99323611952916
2019	26.71071369128703
2020	27.4162768893687
2021	28.09101495951681
2022	28.60294834132049