Year Per 100 000 2000 10 2001 11 2002 9.5 2003 12 2004 10 2005 9.2 2006 9.5 2007 7.4 2008 7.8 2009 7.9 2010 7.9 2011 7.9 2012 7.5 2013 6.9 2014 7.5 2015 7.3 2016 7.3 2017 7.4 2018 7.3 2019 7.5 2020 7.5