Year	% of children under 5
1990	47.5
1991	46.2
1992	45
1993	43.8
1994	42.6
1995	41.5
1996	40.4
1997	39.2
1998	38.2
1999	37.2
2000	36.2
2001	35.4
2002	34.7
2003	34
2004	33.4
2005	32.8
2006	32
2007	31.2
2008	30.4
2009	29.5
2010	29
2011	28.5
2012	28.1
2013	27.8
2014	27.7
2015	27.8
2016	28