Year	% of adults
2004	27.900000000000002
2005	21.257142857142856
2006	23.639285714285712
2007	29.478571428571428
2008	28.296428571428574
2009	30.375
2010	31.08214285714286
2011	30.2448275862069
2012	30.641379310344828
2013	35.6483870967742
2014	37.635483870967754
2015	38.89032258064516
2016	40.18709677419355
2017	41.67741935483871
2018	43.71290322580645
2019	47.296774193548394