Year	% of children under 5
1990	50.3
1991	49.3
1992	48.2
1993	47.3
1994	46.5
1995	45.7
1996	44.8
1997	44
1998	43.1
1999	42.3
2000	41.3
2001	40.7
2002	39.8
2003	39.1
2004	38.3
2005	37.5
2006	36.5
2007	35.4
2008	34.1
2009	33
2010	32
2011	31.1
2012	30.2
2013	29.4
2014	28.8
2015	28.4
2016	28.2