Year % of adults 2000 32.6462515722008 2005 33.3432835785095 2010 34.8065438494384 2011 35.0772186276322 2012 35.4062306260259 2013 35.8686666746394 2014 36.2996734697235 2015 36.8235833407137 2016 37.1934940101172