Year Per 100,000 People 1981 9.6516 1982 9.525 1985 7.6667 1986 6.0331 1987 5.7713 1988 7.615 1989 8.5252 1990 9.3092 1991 8.9458 1992 14.1965 1993 12.8308 1994 14.5243 1995 16.7508 1996 13.1932 1997 13.0107 1998 11.4833 1999 11.1206 2000 11.5616 2001 10.8598 2002 9.8095 2003 8.69 2004 7.0075 2005 7.5017 2006 6.7266 2007 6.113 2008 6.5855 2009 5.6858 2010 6.138 2011 4.844 2012 4.9849 2013 5.5474 2014 4.1947 2015 4.0237 2016 4.2435