Year Per 100,000 People 1998 10.2643 1999 10.6917 2000 9.9908 2001 9.0105 2002 8.5407 2003 8.9447 2004 7.4938 2005 6.8831 2006 7.8665 2007 8.3244 2008 7.5796 2009 6.255 2010 5.187 2011 5.9067 2012 5.8493 2013 5.7165 2014 5.9372 2015 6.1061