Year per 100,000 people 2000 27 2001 14 2002 19 2003 17 2004 21 2005 15 2006 15 2007 13 2008 7.2 2009 9.5 2010 8.3 2011 12 2012 13 2013 13 2014 13 2015 11 2016 7.3 2017 17 2018 6 2019 9.8 2020 7 2021 6.8 2022 4.7