Year per 100,000 adults 2004 7 2005 7 2006 7.1 2007 7.34 2008 7.68 2009 7.845000000000001 2010 8.245000000000001 2011 8.684999999999999 2012 9.04 2013 10.07 2014 9.84 2015 9.885 2016 10.205 2017 10.23 2018 10.24 2019 9.74 2020 9.440000000000001 2021 9.629999999999999