Year	% of children under 5
1990	40.9
1991	39.6
1992	38.3
1993	37.1
1994	36
1995	35
1996	34.1
1997	33.4
1998	32.5
1999	31.7
2000	31
2001	30.4
2002	30
2003	29.5
2004	29.1
2005	28.8
2006	28.3
2007	28
2008	27.5
2009	27.2
2010	27
2011	26.9
2012	26.9
2013	27
2014	27.3
2015	27.7
2016	28.2