Year % of adults 2000 36.9211440800945 2005 32.4130727127024 2010 28.4877072875458 2011 27.772748126511 2012 27.1522211481657 2013 26.5483256789717 2014 25.8097361509635 2015 25.3777430102894 2016 24.7816233090647