Year	% of adults
2004	15.182
2005	14.226315789473684
2006	16.198275862068968
2007	20.229310344827585
2008	22.66551724137931
2009	26.337931034482764
2010	27.313793103448276
2011	30.24406779661017
2012	30.358333333333334
2013	33.02878787878788
2014	33.61515151515151
2015	35.86969696969696
2016	35.67272727272727
2017	37.775757575757574
2018	40.66363636363636
2019	42.201515151515146