Year per 100,000 adults 2004 32.69 2005 33.28 2006 29.259999999999998 2007 29.720000000000002 2008 29.89 2009 30.049999999999997 2010 29.740000000000002 2011 29.67 2012 29.604999999999997 2013 28.48 2014 27.78 2015 27.770000000000003 2016 27.175 2017 25.98 2018 25.505 2019 25.095 2020 24.83 2021 24.475