Year	% of adults
2004	0.3722222222222223
2005	1.368421052631579
2006	1.7950000000000004
2007	2.46
2008	4.8950000000000005
2009	9.59047619047619
2010	12.176190476190477
2011	15.195238095238096
2012	15.538095238095238
2013	15.422727272727274
2014	18.05
2015	21.849999999999998
2016	20.55454545454546
2017	22.10909090909091
2018	21.981818181818184
2019	20.927272727272722