Year	% of children under 5
1990	35.3
1991	33.6
1992	31.9
1993	30.4
1994	29.2
1995	28.1
1996	27.3
1997	26.5
1998	25.9
1999	25.5
2000	25.2
2001	25
2002	24.9
2003	24.8
2004	24.7
2005	24.5
2006	24.3
2007	24
2008	23.6
2009	23.3
2010	23
2011	22.9
2012	22.9
2013	23.2
2014	23.6
2015	24.3
2016	25.1