Year per 100,000 adults 2004 14.45 2005 14.01 2006 13.66 2007 13.35 2008 13.5 2009 13.65 2010 15.26 2011 17.4 2012 13.35 2013 17.19 2014 16.62 2015 16.46 2016 16.49 2017 18.36 2018 18.39 2019 19.31 2020 18.98 2021 20.9