Year per 100,000 people 2000 21 2001 17 2002 8.1 2003 17 2004 10 2005 14 2006 17 2007 7.4 2008 6 2009 12 2010 11 2011 4.9 2012 15 2013 8.1 2014 9.6 2015 6.4 2016 6.3 2017 1.6 2018 3.1 2019 7.5 2020 3 2021 2.9 2022 5.8