Year	% of population
2000	9.516569147087706
2001	9.733102284524222
2002	9.989187188818676
2003	10.249946766853924
2004	10.482648533606069
2005	10.821588591960412
2006	11.16151492358624
2007	11.475273196050022
2008	11.822831396441625
2009	12.143706924328894
2010	12.440242764013831
2011	12.723818752426242
2012	12.995063240180334
2013	13.269997095324252
2014	13.54494742739104
2015	13.819621307071307
2016	14.096348166852275
2017	14.370664254237532
2018	14.64181543942466
2019	14.909582311742323
2020	15.199046383464768
2021	15.478808846124638
2022	15.69721214874157