Year Deaths per 100,000 1990 0.3 1991 0.4 1992 0.6 1993 0.8 1994 1 1995 1.2 1996 1.7 1997 1.6 1998 1.7 1999 1.8 2000 1.8 2001 1.8 2002 1.8 2003 1.7 2004 1.7 2005 1.5 2006 1.5 2007 1.4