Year	% of adults
2004	2.6320754716981134
2005	2.6504000000000003
2006	3.222047244094487
2007	3.7047244094488176
2008	4.731496062992125
2009	6.003125000000001
2010	6.76015625
2011	7.613178294573645
2012	8.39090909090909
2013	9.717021276595744
2014	10.03617021276596
2015	11.488028169014084
2016	12.120422535211265
2017	12.45422535211268
2018	13.095774647887325
2019	13.458450704225351