Year	% of children under 5
1990	35.9
1991	35
1992	34.3
1993	33.6
1994	33.1
1995	32.8
1996	32.6
1997	32.4
1998	32.5
1999	32.6
2000	32.8
2001	33.1
2002	33.4
2003	33.9
2004	34.4
2005	34.8
2006	35.2
2007	35.5
2008	35.8
2009	36.1
2010	36.3
2011	36.5
2012	36.7
2013	37
2014	37.4
2015	37.7
2016	38.2