Year	% of children under 5
1990	41.2
1991	40
1992	38.9
1993	37.8
1994	37
1995	36.3
1996	35.7
1997	35.1
1998	34.8
1999	34.7
2000	34.7
2001	35
2002	35.2
2003	35.5
2004	36
2005	36.5
2006	36.8
2007	37.2
2008	37.6
2009	38.1
2010	38.5
2011	39.1
2012	39.6
2013	40.3
2014	41.1
2015	42
2016	43