Year	% of population
2000	19.9449618623207
2001	20.7209621239071
2002	21.5996086454119
2003	22.4736815303657
2004	23.3427229999482
2005	24.2059323248477
2006	25.0632027401608
2007	25.9137544719991
2008	26.7577326006113
2009	27.5935099893468
2010	28.4217753410918
2011	29.2415052848176
2012	30.0534088180325
2013	30.8570284614837
2014	31.6512218258064
2015	32.4357104534936
2016	33.2093941738338
2017	33.9717571756978
2018	34.7220691917255
2019	35.4594671468657
2020	36.1832543043812
2021	36.2419988529655
2022	36.3013685414785