Year	% of adults
2004	0.35714285714285715
2005	0.7333333333333333
2006	0.7875
2007	1.23125
2008	3.9187499999999997
2009	9.464705882352941
2010	12.099999999999998
2011	14.770588235294115
2012	15.058823529411764
2013	15.676470588235293
2014	18.935294117647057
2015	23.53529411764706
2016	21.676470588235293
2017	23.223529411764705
2018	22.935294117647057
2019	21.35294117647059