Year	% of children under 5
1990	53
1991	52.3
1992	51.5
1993	50.8
1994	50.1
1995	49.4
1996	48.9
1997	48.4
1998	48
1999	47.9
2000	47.7
2001	47.6
2002	47.6
2003	47.8
2004	47.9
2005	48.2
2006	48.3
2007	48.3
2008	48.4
2009	48.4
2010	48.7
2011	48.9
2012	49.1
2013	49.3
2014	49.6
2015	50
2016	50.4