Year	% of children under 5
1990	45.1
1991	43.9
1992	42.9
1993	41.9
1994	41.2
1995	40.4
1996	39.7
1997	39.1
1998	38.7
1999	38.2
2000	37.9
2001	37.5
2002	37.6
2003	37.5
2004	37.3
2005	37.2
2006	37.1
2007	36.8
2008	36.5
2009	36.3
2010	36
2011	35.6
2012	35.3
2013	35.1
2014	35.1
2015	35.1
2016	35.3