Year Per 100,000 People 1990 22.8569 1991 23.4565 1992 22.3925 1993 21.1364 1994 20.6853 1995 19.502 1996 18.4443 1997 18.2859 1998 13.2884 1999 13.7119 2000 13.1722 2001 12.1357 2002 11.881 2003 11.374 2004 9.8862 2005 8.9101 2006 8.4526 2007 8.0635 2008 7.1705 2009 6.7755 2010 5.9194 2011 6.6535 2012 5.7485 2013 5.4092 2014 5.4383 2015 5.2013