Year Per 100,000 People 1998 2.9274 1999 2.9497 2000 2.5917 2001 2.9558 2002 2.1521 2003 2.8162 2004 2.2146 2005 2.6109 2006 2.6778 2007 3.034 2008 1.9437 2009 1.5722 2010 1.731 2011 2.3145 2012 1.5746 2013 2.8281 2014 1.8989 2015 1.4514