Year	% of children ages 6-59 months
2000	20.6
2001	19.9
2002	19.4
2003	19.1
2004	18.9
2005	18.7
2006	18.7
2007	18.6
2008	18.4
2009	18.3
2010	18.3
2011	18.4
2012	18.4
2013	18.4
2014	18.4
2015	18.3
2016	18.1
2017	17.9
2018	17.9
2019	18.1