Year	% of children under 5
1990	55
1991	54.4
1992	54
1993	53.7
1994	53.3
1995	52.9
1996	52.6
1997	52.4
1998	52.2
1999	51.9
2000	51.8
2001	51.7
2002	51.7
2003	51.6
2004	51.5
2005	51.3
2006	51
2007	50.8
2008	50.4
2009	50
2010	49.7
2011	49.3
2012	48.8
2013	48.3
2014	47.9
2015	47.4
2016	47.1