Year	% of children under 5
1990	55.4
1991	54
1992	52.7
1993	51.6
1994	50.4
1995	49
1996	47.6
1997	46.1
1998	44.5
1999	42.9
2000	41.4
2001	40.1
2002	38.9
2003	37.9
2004	37.1
2005	36.3
2006	35.8
2007	35.1
2008	34.7
2009	34.4
2010	34.6
2011	35
2012	35.4
2013	36
2014	36.6
2015	37.4
2016	38.3