Year	% of adults
2004	0.1
2005	2.3
2006	2.9
2007	2.5
2008	4.1
2009	4
2010	2.9
2011	3.7
2012	3.3
2013	3.7
2014	3.6
2015	0.1
2016	0.1
2017	0.1
2018	0.1
2019	0