Year per 100,000 adults 2006 2.33 2007 3.03 2008 3.14 2009 3.96 2010 4.12 2011 4.28 2012 4.49 2013 4.77 2014 5.69 2015 6.12 2016 7.24 2017 7.52 2018 7.84 2019 8.3 2020 11.6 2021 12.38