Year	% of children under 5
1990	57.1
1991	55.3
1992	53.6
1993	51.8
1994	50
1995	48.2
1996	46.3
1997	44.6
1998	42.9
1999	41.4
2000	39.9
2001	38.7
2002	37.6
2003	36.8
2004	36
2005	35.4
2006	34.7
2007	34.4
2008	34
2009	33.9
2010	33.9
2011	34.1
2012	34.4
2013	34.8
2014	35.3
2015	36
2016	36.8