Year	% of children under 5
1990	56.3
1991	55.6
1992	54.7
1993	53.9
1994	53.2
1995	52.5
1996	51.8
1997	51.1
1998	50.7
1999	50.2
2000	49.9
2001	49.5
2002	49.4
2003	49.1
2004	49
2005	48.9
2006	48.7
2007	48.6
2008	48.3
2009	48.2
2010	48.1
2011	47.9
2012	47.9
2013	48
2014	48
2015	48.1
2016	48.4