Year	% of children under 5
1990	42.1
1991	40.8
1992	39.5
1993	38.4
1994	37.3
1995	36.2
1996	35.2
1997	34.4
1998	33.7
1999	33.4
2000	33.1
2001	32.9
2002	33
2003	33.2
2004	33.5
2005	33.8
2006	33.8
2007	33.6
2008	33.3
2009	33.1
2010	32.6
2011	32.3
2012	31.9
2013	31.7
2014	31.5
2015	31.4
2016	31.4