Year	% of children under 5
1990	34.3
1991	33.5
1992	32.6
1993	32
1994	31.5
1995	31
1996	30.7
1997	30.4
1998	30.3
1999	30.2
2000	30.2
2001	30.2
2002	30.2
2003	30.4
2004	30.4
2005	30.5
2006	30.4
2007	30.4
2008	30.2
2009	30
2010	29.8
2011	29.7
2012	29.6
2013	29.6
2014	29.6
2015	29.8
2016	30