Year	% of children under 5
1991	1.8
1996	1.5
2000	1.1
2005	1
2007	0.7
2009	0.5
2010	0.5
2011	0.2
2012	0.5
2013	0.3
2014	0.5
2015	0.4
2016	0.5
2017	0.4
2018	0.4
2019	0.4
2020	0.4
2021	0.4
2022	0.4