Year	% of adults
2004	1.3
2005	13.6
2006	20.7
2007	25.4
2008	30.7
2009	34.8
2010	37
2011	52.8
2012	56.3
2013	61
2014	62.9
2015	64.7
2016	66.9
2017	74.3
2018	75.4
2019	78