Year	% of children under 5
1990	36.9
1991	35.2
1992	33.6
1993	32.1
1994	30.7
1995	29.5
1996	28.5
1997	27.5
1998	26.7
1999	26
2000	25.4
2001	24.9
2002	24.4
2003	24
2004	23.7
2005	23.3
2006	23
2007	22.6
2008	22.3
2009	22
2010	22
2011	22
2012	22.3
2013	22.7
2014	23.3
2015	24
2016	24.9