Year	% of children under 5
1991	7.9
1996	4.9
2000	5.1
2005	4.8
2007	4.4
2009	3.7
2010	3.9
2011	4.3
2012	3.2
2013	3
2014	3
2015	3.3
2016	3
2017	2.8
2018	2.7
2019	2.2
2020	2.2
2021	2
2022	2.2