Year Per 100,000 People 1975 2.4027 1976 2.9925 1977 2.0764 1978 3.3822 1979 3.1509 1980 2.7803 1981 3.3491 1982 2.9562 1983 3.7426 1984 2.4731 1985 2.8788 1986 2.4859 1987 2.0551 1988 2.2161 1989 4.176 1990 2.7589 1991 1.0274 1992 1.7248 1993 3.8975 1994 3.4885 1995 2.0235 1996 1.193 1997 0.8827 1998 1.1357 1999 2.5328 2000 4.8023 2001 9.2476 2002 10.3558 2003 7.7057 2004 4.5619 2005 5.3111 2006 4.211 2007 3.4183 2008 2.8052 2009 3.6871 2010 3.1296 2011 3.2312 2012 3.3077 2013 2.3862 2014 2.4107 2015 2.0612