Year	% of adults
2004	2.1804123711340204
2005	2.39375
2006	3.0008771929824554
2007	3.530701754385964
2008	4.649122807017543
2009	5.945217391304348
2010	6.700869565217393
2011	7.438260869565216
2012	8.263559322033899
2013	9.40793650793651
2014	9.67936507936508
2015	10.996062992125982
2016	11.07244094488189
2017	11.649606299212595
2018	12.365354330708659
2019	12.605511811023625