Year	% of adults
2004	15.73611111111111
2005	13.661363636363637
2006	16.084444444444443
2007	18.895555555555557
2008	21.259999999999998
2009	24.330434782608698
2010	25.01739130434783
2011	28.895652173913046
2012	29.1595744680851
2013	31.792156862745095
2014	32.03137254901961
2015	34.44117647058824
2016	32.20980392156862
2017	33.61960784313726
2018	35.617647058823536
2019	38.670588235294126