Year	% of adults
2004	1.0411764705882351
2005	0.9933333333333334
2006	1.25
2007	1.4235294117647062
2008	2.474285714285714
2009	3.0085714285714285
2010	3.3285714285714283
2011	3.310810810810811
2012	3.642105263157894
2013	5.613157894736843
2014	5.323684210526316
2015	7.189473684210526
2016	10.421052631578947
2017	9.9
2018	13.063157894736841
2019	13.85