Year % of children under 5 1989 3.7 1991 2.3 1992 3.1 1993 4.6 1994 6.2 1995 5.9 1996 3.8 1997 5.5 1998 4.3 1999 6.3 2000 7.3 2001 5.8 2002 8.5 2004 7.5 2006 6.1 2007 8.7 2008 7.8 2010 4.1 2012 7.8 2014 8.3 2016 6.8 2018 5.7