Year	% of adults
2004	39.4
2005	42.1
2006	44.9
2007	44.9
2008	45.8
2009	45.3
2010	54.6
2011	54.7
2012	53.3
2013	51.9
2014	50
2015	49.8
2016	49.6
2017	79.3
2018	67.7
2019	68.6