Year % of children under 5 1989 3.9 1991 3.5 1992 6.2 1993 6.5 1994 3.6 1995 4.3 1996 4.6 1997 3.3 1998 1.1 1999 2.7 2000 3.2 2001 2.6 2002 2.4 2004 2.4 2006 6.5 2007 1.4 2008 0.9 2010 2.2 2012 2.5 2014 1.3 2016 3.9 2018 1