Year	% of children under 5
1990	22.3
1991	21.2
1992	20.1
1993	19.2
1994	18.4
1995	17.7
1996	17.2
1997	16.7
1998	16.3
1999	16
2000	15.7
2001	15.5
2002	15.3
2003	15.2
2004	15.1
2005	15
2006	14.9
2007	14.8
2008	14.8
2009	14.8
2010	14.8
2011	15
2012	15.2
2013	15.5
2014	16
2015	16.7
2016	17.5