Year	% of children under 5
1989	0.5
1991	0.8
1992	0.4
1993	2.8
1994	0.6
1995	1.3
1996	0.3
1997	0
1998	0.2
1999	0.9
2000	1.5
2001	1.1
2002	0.9
2004	0.9
2006	0.7
2007	0.6
2008	0.2
2010	1.3
2012	0.9
2014	0.5
2016	0
2018	0.8