Every two years	modeled estimate, % of children under 5
2000	4.7
2001	4.5
2002	4.5
2003	4.4
2004	4.5
2005	4.5
2006	4.4
2007	4.4
2008	4.4
2009	4.1
2010	4
2011	3.9
2012	3.9
2013	3.8
2014	3.8
2015	3.8
2016	3.7
2017	3.7
2018	3.7
2019	3.7
2020	3.6
2021	3.6
2022	3.6