Year	% of children under 5
1990	70.8
1991	69.8
1992	68.7
1993	67.5
1994	66.3
1995	65.1
1996	63.8
1997	62.5
1998	61.2
1999	60
2000	58.9
2001	58.2
2002	57.5
2003	57.1
2004	56.7
2005	56.5
2006	56.3
2007	56.3
2008	56.4
2009	56.8
2010	57
2011	57.5
2012	57.7
2013	58
2014	58.2
2015	58.5
2016	58.8