Year Per 100,000 People 1985 2.2552 1986 2.2868 1987 2.3805 1988 1.9074 1989 2.1219 1990 2.5025 1991 3.6184 1992 4.6541 1993 4.5792 1994 3.2422 1995 3.1534 1996 2.7215 1997 2.5347 1998 3.1435 1999 2.5819 2000 2.379 2001 1.7368 2002 1.2712 2003 1.443 2004 1.5351 2005 1.1654 2006 1.6159 2007 1.2207 2008 1.4596 2009 1.0951 2010 1.1679 2011 0.9263 2012 0.9517 2013 0.8483 2014 0.7033 2015 0.6458 2016 1.0044