Year % of adults 2000 40.1598347325677 2005 38.4277817678302 2010 36.2061211134293 2011 35.9593113878675 2012 35.7476121353032 2013 35.5609263398909 2014 35.5320617603615 2015 35.4077192256331 2016 35.433185482772