Year % of children under 5 1987 9 1990 4 1991 4.3 1992 4.9 1993 4.9 1994 5 1995 4.7 1996 4.7 1997 5 1998 4.9 1999 5.2 2000 5.3 2001 5.4 2002 5.4 2003 5.3 2004 5.2 2005 5.5 2006 6.1 2007 6.1 2008 6.3 2009 6.4