Year Per 100,000 People 1981 9.392 1982 10.9432 1985 11.6207 1986 8.9485 1987 9.7429 1988 10.1819 1989 8.5186 1990 8.1834 1991 10.0132 1992 11.653 1993 11.9755 1994 11.8252 1995 13.4827 1996 14.5424 1997 12.6673 1998 11.8953 1999 11.7319 2000 13.986 2001 12.0851 2002 10.1394 2003 11.1861 2004 11.3795 2005 9.982 2006 8.4123 2007 7.6002 2008 8.4944 2009 8.265 2010 8.4091 2011 8.935 2012 7.5983 2013 9.7768 2014 7.0765 2015 7.9962 2016 5.7085