Year Per 100,000 People 1980 51.1281 1981 54.2989 1982 51.7872 1983 52.4402 1984 53.0011 1985 45.4918 1986 38.7734 1987 32.401 1988 34.1768 1989 36.2349 1990 41.4943 1991 43.9221 1992 54.5336 1993 67.0369 1994 65.9469 1995 64.989 1996 58.9769 1997 56.4108 1998 54.3704 1999 47.1226 2000 50.8563 2001 46.9342 2002 43.7936 2003 40.3913 2004 37.7689 2005 37.5927 2006 33.991 2007 30.4623 2008 36.1336 2009 35.8036 2010 33.0534 2011 32.0782 2012 33.1676 2013 28.6645 2014 28.6751 2015 27.7296