Year	% of children under 5
1990	29.6
1991	29.1
1992	28.6
1993	28.4
1994	28.3
1995	28.4
1996	28.6
1997	28.6
1998	28.8
1999	29.1
2000	29.3
2001	29.5
2002	29.8
2003	30
2004	30.2
2005	30.3
2006	30.4
2007	30.2
2008	30
2009	29.8
2010	29.4
2011	29.2
2012	28.9
2013	28.7
2014	28.6
2015	28.6
2016	28.7