Year	% of adults
2004	0.003448275862068966
2005	0.0030303030303030303
2006	0.0029411764705882353
2007	0.04411764705882353
2008	0.06470588235294118
2009	0.07941176470588235
2010	0.2176470588235294
2011	0.3470588235294118
2012	0.4000000000000001
2013	0.7472222222222222
2014	0.688888888888889
2015	1.127027027027027
2016	1.8486486486486489
2017	2.5243243243243243
2018	3.0783783783783782
2019	4.675675675675675