Year % of children under 5 1989 0.6 1991 1.2 1992 0.3 1993 2.6 1994 0.9 1995 0.8 1996 0.1 1997 0.3 1998 0.9 1999 0.9 2000 1.5 2001 1 2002 0.7 2004 1.1 2006 0.9 2007 1.2 2008 0.3 2010 1.5 2012 0.8 2014 0.5 2016 0.5 2018 1