Year	% of adults
2004	3.3
2005	4
2006	5.9
2007	6.9
2008	10
2009	10.3
2010	11.4
2011	16.1
2012	15.8
2013	73.2
2014	74.6
2015	88.6
2016	89.8
2017	89.8
2018	91.2
2019	91.1