Year Per 100,000 People 1981 35.3678 1982 34.1787 1985 31.5675 1986 19.8291 1987 25.0856 1988 24.3858 1989 25.4412 1990 30.9187 1991 24.2824 1992 24.2198 1993 30.083 1994 30.3842 1995 34.4424 1996 27.5758 1997 27.3804 1998 20.0514 1999 24.0865 2000 22.5622 2001 20.8556 2002 26.3924 2003 18.6364 2004 14.674 2005 13.1743 2006 12.711 2007 14.098 2008 14.1077 2009 10.4811 2010 13.2334 2011 10.0207 2012 12.5483 2013 9.98 2014 11.6247 2015 10.0053