Year	% of adults
2004	0
2005	2.6
2006	1.5
2007	2.8
2008	2.6
2009	4.4
2010	16.9
2011	23.7
2012	20.5
2013	21.9
2014	23.5
2015	0
2016	0
2017	0
2018	0
2019	0