Year % of children under 5 1989 7.8 1991 7.7 1992 5.3 1993 5.8 1994 5.6 1995 5.4 1996 6.5 1997 3.8 1998 6.8 1999 1.5 2000 4.5 2001 5.2 2002 3.1 2004 3.9 2006 3.3 2007 2.1 2008 3.8 2010 4.6 2012 2.9 2014 2.9 2016 4.8 2018 4.1