Year	% of children under 5
1990	42.4
1991	41.5
1992	41
1993	40.5
1994	40.3
1995	40.2
1996	40.2
1997	40.4
1998	40.6
1999	40.9
2000	41.2
2001	41.6
2002	41.9
2003	42.3
2004	42.4
2005	42.3
2006	42.1
2007	41.6
2008	41.2
2009	40.7
2010	40.2
2011	39.5
2012	39
2013	38.5
2014	38.1
2015	37.7
2016	37.5