Year	% of adults
2004	0.2
2005	0.2
2006	0.1
2007	0.2
2008	0.3
2009	0.2
2010	0.2
2011	0.3
2012	0.3
2013	0.3
2014	3.9
2015	4.4
2016	4
2017	4.6
2018	4
2019	6.5