Year	% of children under 5
1990	32.2
1991	30.7
1992	29.3
1993	28.2
1994	27
1995	26
1996	25.2
1997	24.4
1998	23.8
1999	23.2
2000	22.8
2001	22.3
2002	22
2003	21.8
2004	21.7
2005	21.4
2006	21.3
2007	21
2008	20.9
2009	20.8
2010	20.8
2011	20.9
2012	21.1
2013	21.4
2014	21.8
2015	22.4
2016	23.1