Year Per 100 000 2000 6.1 2001 1.5 2002 5.9 2003 1.4 2004 5.4 2005 8.5 2006 5.6 2007 2.7 2008 1.3 2009 4 2010 9.1 2011 7.7 2012 3.8 2013 13 2014 3.7 2015 4.2 2016 3.7 2017 1.2 2018 6 2019 0 2020 2.3