Year	% of adults
2004	9.3
2005	8.2
2006	11.6
2007	13.7
2008	14.9
2009	19.9
2010	22.9
2011	27.3
2012	27.8
2013	28.8
2014	30.2
2015	28.9
2016	27.5
2017	26.9
2018	28.8
2019	36.4