Year Per 100,000 People 1990 13.9113 1991 12.8334 1992 12.9132 1993 11.8539 1994 11.5303 1995 10.1259 1996 9.9213 1997 9.9551 1998 6.7567 1999 7.1499 2000 6.9175 2001 6.603 2002 6.6364 2003 5.9444 2004 5.6984 2005 5.3584 2006 5.3018 2007 5.194 2008 4.834 2009 4.0863 2010 3.8811 2011 4.3706 2012 3.9362 2013 3.8256 2014 3.6963 2015 3.825