Year	% of children under 5
1990	52.1
1991	50.9
1992	49.7
1993	48.5
1994	47.3
1995	46.2
1996	45
1997	43.9
1998	42.7
1999	41.7
2000	40.8
2001	40.1
2002	39.4
2003	39
2004	38.5
2005	38
2006	37.4
2007	36.8
2008	36.1
2009	35.5
2010	35.1
2011	34.9
2012	34.6
2013	34.4
2014	34.4
2015	34.5
2016	34.9