Year Per 100,000 People 1998 3.712 1999 4.1046 2000 2.8435 2001 3.4125 2002 1.5058 2003 2.4084 2004 1.9951 2005 2.1925 2006 1.7851 2007 2.9273 2008 2.5787 2009 2.4399 2010 2.2281 2011 2.0004 2012 2.0233 2013 1.909 2014 2.0575 2015 2.1808