Year	% of adults
2004	0.3
2005	0.3
2006	0.3
2007	0.1
2008	0.1
2009	0.1
2010	0
2011	0.1
2012	0.1
2013	2.2
2014	2.6
2015	3
2016	3
2017	5.1
2018	6.3
2019	10.4