Year	% of children under 5
1990	34.6
1991	33.3
1992	32.1
1993	31.1
1994	30.3
1995	29.6
1996	29
1997	28.5
1998	28.1
1999	27.8
2000	27.6
2001	27.4
2002	27.2
2003	27.1
2004	27
2005	26.8
2006	26.6
2007	26.4
2008	26.1
2009	25.8
2010	25.7
2011	25.5
2012	25.5
2013	25.6
2014	25.9
2015	26.3
2016	26.9