Year Per 100,000 People 1981 32.0906 1982 32.5497 1985 20.4312 1986 23.8996 1987 26.8346 1988 28.6584 1989 45.827 1990 41.3065 1991 39.9896 1992 29.5825 1993 26.6655 1994 18.5365 1995 19.4701 1996 19.0928 1997 20.7208 1998 15.142 1999 15.6472 2000 14.3766 2001 18.0128 2002 19.9376 2003 25.0744 2004 24.6709 2005 25.9694 2006 22.2584 2007 30.332 2008 29.5223 2009 27.802 2010 28.299 2011 28.7336 2012 26.6836 2013 28.5517 2014 23.6683 2015 24.8443