Year	% of adults
2004	0.1
2005	0.8
2006	3.4
2007	1
2008	4.9
2009	1.8
2010	2.9
2011	3.6
2012	9.1
2013	8.9
2014	5.4
2015	6.5
2016	8
2017	8
2018	11.1
2019	40.1