Year	% of children under 5
1990	44.5
1991	43.2
1992	42.2
1993	41.2
1994	40.1
1995	39.2
1996	38.2
1997	37.4
1998	36.5
1999	35.7
2000	35
2001	34.5
2002	34
2003	33.4
2004	33.1
2005	32.5
2006	31.9
2007	31.2
2008	30.5
2009	30
2010	29.4
2011	29
2012	28.7
2013	28.4
2014	28.4
2015	28.5
2016	28.8