Year	% of children under 5
1991	8.8
1996	5.7
2000	5.2
2005	5.4
2007	4.3
2009	4.3
2010	4.3
2011	4.2
2012	3.4
2013	3.6
2014	3.2
2015	3.4
2016	3.2
2017	3.2
2018	2.6
2019	2.4
2020	2.2
2021	2.1
2022	2.4