Year per 100,000 people 2000 50 2001 50 2002 49 2003 49 2004 49 2005 48 2006 48 2007 47 2008 47 2009 46 2010 45 2011 44 2012 43 2013 41 2014 39 2015 37 2016 35 2017 33 2018 31 2019 28 2020 26 2021 24 2022 23