Year Deaths per 100,000 1990 0.3 1991 0.4 1992 0.5 1993 0.7 1994 0.9 1995 1.1 1996 1.6 1997 1.9 1998 2 1999 2.9 2000 3.6 2001 4.3 2002 4.8 2003 5.5 2004 5.6 2005 7.2 2006 10.4 2007 16.6