Year	% of adults
2004	0.1388888888888889
2005	1.0046511627906975
2006	1.2954545454545454
2007	1.368181818181818
2008	1.8340909090909088
2009	2.227272727272727
2010	2.886363636363637
2011	3.122727272727272
2012	4.142222222222221
2013	4.389130434782608
2014	4.595652173913043
2015	4.95744680851064
2016	5.146808510638297
2017	4.963829787234043
2018	5.757446808510638
2019	6.829787234042553