Year	% of children under 5
1990	35.7
1991	34.3
1992	33
1993	31.9
1994	30.9
1995	30
1996	29.3
1997	28.7
1998	28.2
1999	27.8
2000	27.5
2001	27.2
2002	27
2003	26.8
2004	26.6
2005	26.4
2006	26.1
2007	25.8
2008	25.5
2009	25.2
2010	25
2011	25
2012	25
2013	25.3
2014	25.7
2015	26.2
2016	26.9