Year	% of adults
2000	22.7386943513115
2005	21.1184802149381
2010	19.6650613220659
2011	19.4000649737553
2012	19.1672518652463
2013	18.9039305348541
2014	18.6507688439383
2015	18.4547031640715
2016	18.2717275325895