Year Per 100,000 People 1980 5.5729 1981 6.6519 1982 5.7552 1983 6.2273 1984 5.7899 1985 5.1119 1986 4.266 1987 4.1108 1988 5.8579 1989 8.5133 1990 8.7988 1991 11.0284 1992 15.4989 1993 23.4266 1994 22.0176 1995 17.1492 1996 14.7577 1997 15.163 1998 11.9244 1999 11.6618 2000 11.4136 2001 11.4829 2002 10.2539 2003 9.6064 2004 8.5264 2005 9.1384 2006 8.6454 2007 7.4479 2008 6.7766 2009 5.1911 2010 5.1826 2011 4.9162 2012 4.9829 2013 4.9535 2014 5.6624 2015 4.2595