Year	% of adults
2004	0
2005	0
2006	0
2007	0
2008	4.7
2009	8.2
2010	10.3
2011	13.7
2012	16.4
2013	19.6
2014	21.8
2015	20.9
2016	21.6
2017	25.3
2018	27.3
2019	31.3
