Year per 100,000 people 2000 4.6 2001 4.6 2002 6.8 2003 2 2004 5.1 2005 6.2 2006 8.4 2007 11 2008 13 2009 12 2010 8 2011 8.1 2012 11 2013 13 2014 12 2015 8.1 2016 12 2017 10 2018 13 2019 22 2020 31 2021 12 2022 13