Year	% of adults
2004	0
2005	0
2006	17.5
2007	12.4
2008	23.4
2009	17
2010	19.6
2011	18.9
2012	37.3
2013	21
2014	20.6
2015	23.3
2016	22.7
2017	26.7
2018	26.9
2019	27.1