Year	% of children under 5
1990	44.2
1991	43.2
1992	42.1
1993	41.1
1994	40.2
1995	39.2
1996	38.4
1997	37.5
1998	36.7
1999	35.9
2000	35.3
2001	34.8
2002	34.2
2003	33.8
2004	33.4
2005	33.1
2006	32.6
2007	31.9
2008	31.4
2009	30.9
2010	30.5
2011	30.2
2012	29.9
2013	29.8
2014	29.7
2015	29.8
2016	30.1