Every two years	modeled estimate, % of children under 5
2000	8.8
2001	8.8
2002	8.7
2003	8.6
2004	8.5
2005	8.2
2006	8
2007	7.7
2008	7.4
2009	7
2010	6.5
2011	6.2
2012	5.9
2013	5.7
2014	5.6
2015	5.5
2016	5.5
2017	5.4
2018	5.3
2019	5.1
2020	4.9
2021	4.7
2022	4.6