Year	% of adults
2004	23.3
2005	23.3
2006	24.5
2007	24
2008	22.5
2009	22.5
2010	22.3
2011	27.3
2012	26.8
2013	26.5
2014	26.3
2015	26.1
2016	25.8
2017	25.6
2018	25.4
2019	28.8