Year Per 100,000 People 1989 2.3346 1990 2.4148 1991 1.9088 1992 2.2758 1993 2.1092 1994 2.3235 1995 2.0543 1996 2.0775 1997 2.1805 1998 1.742 1999 1.7302 2000 1.6415 2001 1.4479 2002 1.8258 2003 1.7256 2004 1.6162 2005 1.1454 2006 1.0396 2007 1.0279 2008 1.1878 2009 1.1394 2010 1.2086 2011 0.9838 2012 1.082 2013 0.9299 2014 0.9363 2015 0.7916 2016 0.7364