Year	% of adults
2005	11.9
2006	11.9
2007	20.3
2008	21.8
2009	23
2010	22.1
2011	20.2
2012	19.7
2013	17.3
2014	16.7
2015	17.8
2016	20
2017	19.6
2018	19.9
2019	20