Year	% of children under 5
1990	44.7
1991	43.5
1992	42.4
1993	41.5
1994	40.7
1995	39.8
1996	39
1997	38.1
1998	37.3
1999	36.3
2000	35.6
2001	34.7
2002	34.1
2003	33.5
2004	32.9
2005	32.3
2006	31.7
2007	31
2008	30.2
2009	29.6
2010	29
2011	28.6
2012	28.2
2013	27.9
2014	27.9
2015	27.9
2016	28.1