Year	% of children under 5
1990	20
1991	18.9
1992	17.9
1993	17.1
1994	16.3
1995	15.6
1996	15.1
1997	14.6
1998	14.2
1999	14
2000	13.7
2001	13.6
2002	13.5
2003	13.4
2004	13.3
2005	13.3
2006	13.3
2007	13.3
2008	13.3
2009	13.4
2010	13.5
2011	13.7
2012	13.9
2013	14.3
2014	14.8
2015	15.4
2016	16.1