Year % of adults 2004 64.3 2005 63.6 2006 63.6 2007 62 2008 61.4 2009 73.8 2010 71.5 2011 72.3 2012 81.5 2013 100 2014 100 2015 100 2016 100 2017 100 2018 100 2019 100