Year	% of children under 5
1990	38.8
1991	37.6
1992	36.6
1993	35.6
1994	34.7
1995	33.9
1996	32.8
1997	31.9
1998	30.9
1999	30.1
2000	29.3
2001	28.7
2002	28.1
2003	27.6
2004	27
2005	26.5
2006	25.8
2007	25
2008	24.4
2009	23.7
2010	23.2
2011	22.9
2012	22.7
2013	22.6
2014	22.8
2015	23.1
2016	23.6