Year Per 100,000 People 1998 23.7171 1999 24.3172 2000 22.8004 2001 23.7551 2002 22.7208 2003 22.4525 2004 23.7108 2005 22.8148 2006 24.4509 2007 21.8575 2008 23.5874 2009 25.8934 2010 22.0512 2011 21.4394 2012 21.5627 2013 22.3737 2014 19.1109 2015 17.5352