Year Per 100,000 People 1981 7.3347 1982 7.5773 1985 3.2161 1986 3.8091 1987 3.4862 1988 5.0212 1989 5.4369 1990 8.6196 1991 7.2997 1992 9.1729 1993 17.5323 1994 15.4643 1995 11.8466 1996 15.3095 1997 14.7159 1998 14.4127 1999 11.9611 2000 10.7934 2001 12.0352 2002 8.9621 2003 7.031 2004 6.9285 2005 6.5069 2006 7.6568 2007 6.0156 2008 7.5666 2009 7.5947 2010 5.0332 2011 3.0352 2012 4.5351 2013 2.7057 2014 2.1888 2015 2.376