Year	% of children under 5
1990	38.5
1991	37.1
1992	35.8
1993	34.6
1994	33.6
1995	32.6
1996	31.7
1997	30.9
1998	30.2
1999	29.4
2000	28.7
2001	28.2
2002	27.6
2003	27.1
2004	26.4
2005	26
2006	25.4
2007	24.9
2008	24.2
2009	23.7
2010	23.2
2011	22.8
2012	22.4
2013	22.3
2014	22.2
2015	22.3
2016	22.5