Year	% of children under 5
1990	32.4
1991	31.4
1992	30.3
1993	29.4
1994	28.7
1995	28.2
1996	27.8
1997	27.6
1998	27.4
1999	27.4
2000	27.4
2001	27.5
2002	27.7
2003	28
2004	28.2
2005	28.3
2006	28.4
2007	28.5
2008	28.4
2009	28.3
2010	28.2
2011	28.2
2012	28.1
2013	28.1
2014	28.3
2015	28.5
2016	28.7