Year Deaths per 100,000 1990 3.4 1991 4.7 1992 6.4 1993 8.4 1994 10.6 1995 13.1 1996 15.6 1997 18.2 1998 20.5 1999 22.5 2000 24.1 2001 25.2 2002 25.9 2003 26.6 2004 27 2005 27.4 2006 27.5 2007 27.7