Year Per 100,000 People 1975 9.7221 1976 10.2372 1977 9.4671 1978 7.4734 1979 10.0777 1980 9.0032 1981 7.5513 1982 7.173 1983 9.0833 1984 8.2023 1985 8.3623 1986 9.4884 1987 9.9618 1988 10.9294 1989 12.2234 1990 10.5165 1991 11.6452 1992 11.7823 1993 11.1532 1994 12.1463 1995 10.0231 1996 8.549 1997 10.8283 1998 8.4526 1999 10.2562 2000 10.1517 2001 10.4571 2002 9.3184 2003 10.9521 2004 9.8278 2005 9.1082 2006 8.3182 2007 7.6622 2008 8.2579 2009 8.5774 2010 10.6687 2011 8.4549 2012 9.1292 2013 7.401 2014 7.424 2015 6.614