Year Per 100 000 2000 3.2 2001 2.5 2002 1.9 2003 1.3 2004 0.82 2005 0.98 2006 1.4 2007 1.1 2008 1.3 2009 1.1 2010 0.96 2011 0.96 2012 0.94 2013 1.1 2014 1.2 2015 1.1 2016 0.97 2017 0.76 2018 0.77 2019 0.53 2020 0.48