Year	% of children under 5
1990	55.5
1991	54.6
1992	53.5
1993	52.5
1994	51.2
1995	50.2
1996	49.2
1997	48
1998	46.9
1999	45.9
2000	44.9
2001	44.2
2002	43.6
2003	43.1
2004	42.5
2005	42
2006	41.5
2007	40.9
2008	40.3
2009	39.8
2010	39.3
2011	39
2012	38.7
2013	38.5
2014	38.4
2015	38.3
2016	38.4