Year Per 100,000 People 1998 8.2777 1999 8.7824 2000 8.4105 2001 7.3737 2002 6.8425 2003 6.6701 2004 6.4088 2005 7.3335 2006 7.104 2007 6.5353 2008 6.7436 2009 6.5305 2010 4.8373 2011 5.8177 2012 5.1541 2013 5.1725 2014 4.6668 2015 4.7102