Year per 100,000 people 2000 26 2001 25 2002 24 2003 23 2004 22 2005 21 2006 21 2007 20 2008 19 2009 19 2010 18 2011 17 2012 17 2013 16 2014 15 2015 15 2016 14 2017 13 2018 12 2019 12 2020 11 2021 10 2022 9.8