Year Per 100,000 People 1981 9.1246 1982 7.9566 1985 7.3921 1986 6.97 1987 6.7698 1988 6.1592 1989 11.0551 1990 13.422 1991 12.1897 1992 25.2584 1993 30.8968 1994 30.7312 1995 29.8161 1996 22.0958 1997 15.1995 1998 15.201 1999 11.0566 2000 12.5753 2001 10.026 2002 5.7234 2003 8.3921 2004 4.0363 2005 5.7406 2006 4.0962 2007 5.4772 2008 3.7832 2009 3.095 2010 2.4625 2011 3.3845 2012 2.5661 2013 2.3386 2014 1.5496 2015 0.6526