Year	% of children under 5
1990	66.3
1991	65.9
1992	65.6
1993	65.3
1994	65.1
1995	64.7
1996	64.4
1997	64
1998	63.7
1999	63.4
2000	63
2001	62.5
2002	62.3
2003	61.9
2004	61.7
2005	61.5
2006	61.3
2007	61
2008	60.9
2009	60.5
2010	60.3
2011	60.1
2012	59.8
2013	59.4
2014	59
2015	58.6
2016	58.2