Year	% of adults
2004	8.471428571428572
2005	6.36
2006	8.22
2007	9.634999999999998
2008	11.129999999999999
2009	12.364999999999998
2010	12.27
2011	11.100000000000001
2012	12.440000000000001
2013	14.940909090909093
2014	14.413636363636364
2015	14.018181818181818
2016	14.390909090909092
2017	15.763636363636358
2018	16.668181818181818
2019	16.745454545454546