Year Per 100,000 People 1985 5.1641 1986 4.504 1987 4.4904 1988 4.0827 1989 4.3291 1990 4.476 1991 4.2834 1992 4.8483 1993 5.721 1994 5.959 1995 6.4437 1996 7.578 1997 7.6143 1998 9.5611 1999 8.3839 2000 7.6518 2001 7.9278 2002 10.0427 2003 12.4313 2004 12.959 2005 14.2279 2006 11.8535 2007 15.4656 2008 15.7202 2009 18.4909 2010 17.1779 2011 16.2231 2012 14.1745 2013 13.5302 2014 12.5531 2015 11.9248