Year Per 100,000 People 1975 2.3738 1976 2.6172 1977 2.2858 1978 2.4558 1979 2.6584 1980 2.6107 1981 2.9659 1982 2.3813 1983 2.791 1984 2.2939 1985 3.2535 1986 2.9758 1987 2.0481 1988 1.8417 1989 3.3689 1990 2.7738 1991 1.4878 1992 1.7454 1993 3.6851 1994 3.7505 1995 2.3019 1996 1.6636 1997 0.8735 1998 0.8012 1999 3.7273 2000 4.7166 2001 8.5686 2002 10.6766 2003 7.4555 2004 5.3159 2005 4.5234 2006 4.9316 2007 3.4235 2008 3.2221 2009 3.4357 2010 3.3988 2011 3.4549 2012 2.9881 2013 2.5236 2014 2.7032 2015 2.7746