Year	% of children under 5
1991	7.8
1996	8.5
1999	5.6
2004	3.5
2009	2.9
2010	4.9
2011	6.2
2013	4.4
2014	3.8
2015	4.5
2018	3.5
2019	2.1
2022	3.1