Year	% of adults
2004	20.1
2005	22.1
2006	25.4
2007	25.5
2008	31.2
2009	34.3
2010	30.8
2011	35.9
2012	37
2013	41.9
2014	41.2
2015	42.6
2016	41.6
2017	44.8
2018	45.7
2019	48.1