Year Per 100,000 People 1998 5.0248 1999 4.1084 2000 3.8755 2001 3.8272 2002 3.1209 2003 2.8547 2004 2.3721 2005 2.866 2006 2.6425 2007 3.2534 2008 2.6635 2009 2.437 2010 2.2448 2011 2.2028 2012 2.1287 2013 2.4026 2014 2.0805 2015 1.5304