Year per 100,000 people 2000 6.1 2001 1.5 2002 6 2003 1.5 2004 5.5 2005 8.6 2006 5.7 2007 2.8 2008 1.4 2009 4.1 2010 9.4 2011 8 2012 3.9 2013 13 2014 3.9 2015 4.2 2016 3.8 2017 1.3 2018 6.3 2019 0 2020 2.5 2021 4.9 2022 1.2