Year Per 100 000 2000 14 2001 2.6 2002 0 2003 0 2004 2.4 2005 0.99 2006 0 2007 2.2 2008 2.1 2009 4.2 2010 8.1 2011 4 2012 12 2013 9.6 2014 0 2015 13 2016 5.5 2017 7.3 2018 5.4 2019 7.1 2020 3.5