Year per 100,000 people 2000 52 2001 51 2002 51 2003 52 2004 50 2005 50 2006 48 2007 47 2008 46 2009 45 2010 42 2011 41 2012 38 2013 37 2014 35 2015 33 2016 32 2017 30 2018 28 2019 27 2020 25 2021 25 2022 25