Year Deaths per 100,000 1990 0 1991 0.1 1992 0.1 1993 0.2 1994 0.5 1995 0.9 1996 1.7 1997 3.3 1998 5.7 1999 8.4 2000 11 2001 13.1 2002 14.6 2003 15.6 2004 12.3 2005 14.5 2006 14.5 2007 14.9