Year	% of adults
2004	1.0818181818181818
2005	2.2363636363636363
2006	3.3454545454545452
2007	4.236363636363636
2008	5.118181818181818
2009	9.827272727272728
2010	12.454545454545451
2011	14.063636363636364
2012	15.518181818181818
2013	17.00909090909091
2014	17.563636363636363
2015	18.936363636363637
2016	19.945454545454545
2017	30.536363636363635
2018	31.736363636363638
2019	32.481818181818184