Year	% of children under 5
1990	53.9
1991	52.3
1992	50.4
1993	48.5
1994	46.7
1995	44.8
1996	43
1997	41.2
1998	39.6
1999	38
2000	36.6
2001	35.4
2002	34.4
2003	33.5
2004	32.9
2005	32.4
2006	32
2007	31.6
2008	31.4
2009	31.2
2010	31.2
2011	31.4
2012	31.6
2013	32
2014	32.5
2015	33.1
2016	33.9