Year	% of children under 5
1990	40.8
1991	40.1
1992	39.4
1993	38.7
1994	38.2
1995	37.7
1996	37.3
1997	37
1998	36.7
1999	36.6
2000	36.3
2001	36
2002	35.8
2003	35.5
2004	35.3
2005	34.7
2006	34.2
2007	33.6
2008	32.8
2009	31.9
2010	30.9
2011	30.2
2012	29.4
2013	28.7
2014	28.2
2015	27.9
2016	27.7