Year Per 100,000 People 1985 0.2425 1986 0.1966 1987 0.3294 1988 0.2113 1989 0.2906 1990 0.3321 1991 0.3426 1992 0.3962 1993 0.3874 1994 0.4649 1995 0.4971 1996 0.714 1997 0.6265 1998 0.7344 1999 0.6253 2000 0.3053 2001 0.3468 2002 0.311 2003 0.3215 2004 0.4093 2005 0.3825 2006 0.3247 2007 0.4966 2008 0.4681 2009 0.7992 2010 0.6097 2011 0.577 2012 0.5228 2013 0.4229 2014 0.4021 2015 0.3987