Year per 100,000 population 2000 9.1 2001 10.3 2002 10.2 2003 9.7 2004 8.7 2005 8.6 2006 8.6 2007 8.3 2008 8.7 2009 8.4 2010 8.6 2011 8.5 2012 9.1 2013 8.6 2014 9.3 2015 8.3 2016 8.3 2017 8.9 2018 9.2 2019 8.4