Year per 100,000 adults 2004 1.12 2005 1.2 2006 1.18 2007 1.46 2008 1.96 2009 2.23 2010 2.39 2011 2.36 2012 2.77 2013 2.97 2014 2.915 2015 3.04 2016 2.96 2017 2.7649999999999997 2018 2.83 2019 2.83 2020 2.8499999999999996 2021 3.025