Year	% of children under 5
1990	57.2
1991	55.4
1992	53.8
1993	52
1994	50.2
1995	48.6
1996	46.8
1997	45
1998	43.1
1999	41.5
2000	39.8
2001	38.4
2002	37.3
2003	36.1
2004	35.2
2005	34.2
2006	33.3
2007	32.4
2008	31.6
2009	30.7
2010	30
2011	29.5
2012	29.1
2013	28.8
2014	28.8
2015	28.9
2016	29.3