Year	% of adults
2004	4.644444444444444
2005	4.536842105263158
2006	7.32
2007	15.440000000000001
2008	20.115
2009	22.395238095238092
2010	24.69523809523809
2011	30.53809523809524
2012	31.433333333333334
2013	35.52727272727273
2014	35.518181818181816
2015	39.93636363636364
2016	40.13636363636363
2017	42.68636363636363
2018	46.48636363636364
2019	44.4