Year	% of children under 5
1990	47.2
1991	46.2
1992	45.4
1993	44.7
1994	44.1
1995	43.4
1996	42.9
1997	42.2
1998	41.5
1999	40.7
2000	39.8
2001	39
2002	38.2
2003	37.5
2004	36.8
2005	36
2006	35.2
2007	34.4
2008	33.5
2009	32.6
2010	31.9
2011	31.4
2012	31
2013	30.8
2014	30.8
2015	30.9
2016	31.3