Year Per 100,000 People 1981 8.5021 1982 4.6699 1985 6.9215 1986 4.6689 1987 3.0062 1988 5.1013 1989 6.0543 1990 14.362 1991 9.3001 1992 17.8366 1993 23.7745 1994 21.9008 1995 22.7858 1996 15.6122 1997 14.0026 1998 12.1852 1999 12.008 2000 16.2758 2001 12.6004 2002 11.7114 2003 12.4518 2004 10.4714 2005 12.1566 2006 11.5613 2007 5.9436 2008 7.2196 2009 9.6392 2010 8.8126 2011 10.3625 2012 7.4882 2013 4.5675 2014 5.1555 2015 4.8847