Year	% of adults
2004	57.1
2005	59.9
2006	67.8
2007	71.5
2008	74.9
2009	77.5
2010	80.5
2011	100
2012	100
2013	100
2014	100
2015	100
2016	100
2017	100
2018	100
2019	100