Year	% of children under 5
1991	2.6
1992	3
1993	2.5
1994	3.2
1995	2.7
1996	2.8
1997	6.8
1998	2.3
1999	2
2000	2.5
2001	2.3
2002	2.1
2003	2.1
2004	3.5
2005	2.9
2006	1.6
2007	2.9
2011	4.1
2012	4.9
2013	1.6
2014	3.2
2015	4.3
2018	1.5
2019	2.3
2022	1.8