Year	% of adults
2004	0.9678571428571429
2005	1.7588235294117647
2006	1.872463768115942
2007	3.971014492753623
2008	3.2202898550724637
2009	3.347142857142858
2010	4.000000000000001
2011	3.9428571428571435
2012	4.540277777777778
2013	5.179999999999999
2014	6.201333333333333
2015	7.072368421052632
2016	7.625
2017	8.380263157894735
2018	9.549999999999999
2019	10.901315789473685