Year % of adults 2000 41.2359530120999 2005 38.2108993769503 2010 35.4060839967694 2011 34.9475447689151 2012 34.410429702853 2013 33.9336517149785 2014 33.367849664817 2015 32.8901155378506 2016 32.4742686613576