Year per 100,000 people 2004 2.02409797067913 2005 1.74193527953838 2006 1.73844972282915 2007 2.25620998647368 2008 3.02091962211251 2009 2.52402516516989 2010 2.53235432204525 2011 2.82802671260269 2012 1.6645583488465 2015 1.69519956395093 2020 2.13748640464524