Year	% of children under 5
1990	30.7
1991	29.2
1992	27.7
1993	26.4
1994	25.3
1995	24.3
1996	23.4
1997	22.6
1998	22
1999	21.4
2000	20.9
2001	20.4
2002	20.1
2003	19.7
2004	19.4
2005	19.1
2006	18.8
2007	18.6
2008	18.3
2009	18.2
2010	18.2
2011	18.2
2012	18.3
2013	18.6
2014	19
2015	19.5
2016	20