Year	% of children under 5
1990	37.2
1991	36.5
1992	35.9
1993	35.5
1994	35.2
1995	35
1996	34.8
1997	34.6
1998	34.6
1999	34.5
2000	34.5
2001	34.4
2002	34.3
2003	34.2
2004	33.9
2005	33.5
2006	33
2007	32.2
2008	31.3
2009	30.5
2010	29.5
2011	28.8
2012	28
2013	27.5
2014	27
2015	26.8
2016	26.6