Year	% of adults
2004	0
2005	0
2006	0.2
2007	0.2
2008	0.2
2009	0.2
2010	0.2
2011	0.3
2012	2.3
2013	2.4
2014	2
2015	1.9
2016	3
2017	2.9
2018	3.2
2019	3.6