Year per 100,000 people 2000 17 2001 18 2002 11 2003 12 2004 15 2005 14 2006 19 2007 18 2008 23 2009 22 2010 18 2011 18 2012 22 2013 20 2014 20 2015 15 2016 17 2017 16 2018 19 2019 16 2020 17 2021 13 2022 18