Year Per 100,000 People 1985 58.4477 1986 51.9614 1987 58.4883 1988 58.089 1989 63.3502 1990 51.4405 1991 52.0881 1992 40.8503 1993 46.0142 1994 49.1497 1995 45.4153 1996 47.1972 1997 44.2074 1998 44.6319 1999 45.3602 2000 42.9668 2001 42.8294 2002 46.8241 2003 39.7888 2004 42.4094 2005 31.5315 2006 35.0998 2007 31.5797 2008 31.3863 2009 32.6152 2010 28.5669 2011 27.6705 2012 32.6381 2013 30.6306 2014 26.4155 2015 23.5418