Year	% of adults
2004	8.112987012987013
2005	7.973333333333334
2006	9.236263736263739
2007	12.156043956043957
2008	12.873626373626374
2009	14.798913043478263
2010	15.588043478260872
2011	17.35978260869565
2012	18.00744680851064
2013	19.75098039215686
2014	20.572549019607845
2015	22.508823529411774
2016	22.555882352941175
2017	23.701960784313737
2018	25.700980392156872
2019	28.31274509803921