Year	% of adults
2004	0.1
2005	1.2
2006	1.1
2007	1.4
2008	1.2
2009	2.1
2010	2
2011	2.2
2012	2.4
2013	3.1
2014	2.6
2015	3.3
2016	3.1
2017	3.3
2018	4.6
2019	5.1