Year Per 100,000 People 1990 16.549 1991 16.9663 1992 16.865 1993 15.5281 1994 15.8762 1995 16.569 1996 15.2153 1997 15.611 1998 14.5223 1999 13.853 2000 13.2173 2001 13.4491 2002 13.398 2003 12.8306 2004 12.0417 2005 11.5432 2006 10.2337 2007 9.9381 2008 9.9309 2009 9.9093 2010 10.4167 2011 10.2523 2012 10.1167 2013 10.6459 2014 10.3868 2015 10.3783