Year	% of children under 5
1990	34.6
1991	33.1
1992	31.8
1993	30.6
1994	29.6
1995	28.8
1996	28.1
1997	27.5
1998	27
1999	26.7
2000	26.4
2001	26.2
2002	26
2003	25.9
2004	25.7
2005	25.5
2006	25.2
2007	24.9
2008	24.6
2009	24.3
2010	24.1
2011	23.9
2012	23.9
2013	24.1
2014	24.4
2015	24.8
2016	25.4