Year	% of children under 5
1990	40
1991	38.8
1992	37.8
1993	36.7
1994	35.8
1995	35
1996	34
1997	33.1
1998	32.4
1999	31.9
2000	31.2
2001	30.7
2002	30.5
2003	30.2
2004	29.8
2005	29.5
2006	29.1
2007	28.8
2008	28.2
2009	27.8
2010	27.5
2011	27.2
2012	27
2013	26.9
2014	26.9
2015	27
2016	27.2