Year	% of adults
2000	33.5706500796058
2005	28.3528604146537
2010	24.1153872439703
2011	23.3803881143536
2012	22.575247754705
2013	21.9591085051713
2014	21.2903879197013
2015	20.6091049371086
2016	20.0265097357052