Year per 100,000 adults 2004 66.45 2005 68.15 2006 70.74 2007 61.51 2008 64.21 2009 65.78 2010 65.87 2011 63.95 2012 61.1 2013 58.03 2014 53.39 2015 35.5 2016 42.7 2017 39.08 2018 35.46 2019 34.54 2020 32.87 2021 30.71