Year Per 100,000 People 1981 56.728 1982 51.0019 1985 50.6647 1986 42.0603 1987 40.8726 1988 36.7968 1989 38.0681 1990 40.9563 1991 41.4569 1992 49.8118 1993 61.0828 1994 67.565 1995 64.6876 1996 61.653 1997 61.0433 1998 55.659 1999 53.9069 2000 39.8308 2001 43.7583 2002 41.6841 2003 37.9274 2004 36.5377 2005 30.2719 2006 25.6429 2007 28.2577 2008 26.1531 2009 29.5498 2010 24.5051 2011 23.483 2012 25.323 2013 22.6378 2014 26.8094 2015 22.312