Year	% of children under 5
1990	55.2
1991	54.2
1992	53.3
1993	52.3
1994	51.4
1995	50.6
1996	49.6
1997	48.6
1998	47.7
1999	46.8
2000	45.9
2001	45.2
2002	44.6
2003	44
2004	43.4
2005	42.9
2006	42.2
2007	41.5
2008	40.8
2009	40.2
2010	39.6
2011	39.1
2012	38.7
2013	38.3
2014	38
2015	37.8
2016	37.8