Year	% of adults
2004	0
2005	0
2006	3.4
2007	100
2008	27.9
2009	28.4
2010	21.4
2011	31.9
2012	29.5
2013	32.3
2014	40.7
2015	48.7
2016	53.9
2017	55.9
2018	59.5
2019	56.6