Year	% of children under 5
1990	49.5
1991	48.7
1992	48
1993	47.3
1994	46.5
1995	45.9
1996	45.3
1997	44.7
1998	44.1
1999	43.7
2000	43.4
2001	43
2002	42.7
2003	42.6
2004	42.6
2005	42.3
2006	42.1
2007	41.6
2008	41.2
2009	40.7
2010	40.2
2011	39.7
2012	39.1
2013	38.7
2014	38.3
2015	38.1
2016	37.9