Year	% of adults
2004	27.1
2005	27.8
2006	28.6
2007	33
2008	33.2
2009	31.8
2010	33.3
2011	36
2012	42.5
2013	41.5
2014	100
2015	100
2016	100
2017	100
2018	100
2019	100