Year	% of children under 5
1990	42.7
1991	41.6
1992	40.5
1993	39.7
1994	38.9
1995	38.1
1996	37.5
1997	36.9
1998	36.4
1999	36
2000	35.5
2001	35.3
2002	35.1
2003	35
2004	34.9
2005	34.8
2006	34.6
2007	34.3
2008	34
2009	33.6
2010	33.3
2011	33.2
2012	32.9
2013	32.8
2014	32.7
2015	32.8
2016	32.9