Year	% of children under 5
1990	54.4
1991	52.6
1992	50.8
1993	49.1
1994	47.4
1995	45.9
1996	44.5
1997	43.1
1998	42
1999	40.9
2000	40.1
2001	39.4
2002	38.8
2003	38.4
2004	38.1
2005	37.7
2006	37.2
2007	36.5
2008	36.1
2009	35.5
2010	35.1
2011	35
2012	34.8
2013	34.7
2014	34.7
2015	34.8
2016	35