Year	% of adults
2000	26.389786512371
2005	23.8004214954311
2010	21.4863421175542
2011	21.0477842540493
2012	20.6814181180152
2013	20.2452308544089
2014	19.8757785197795
2015	19.5177747871574
2016	19.1716158854971