Every two years	modeled estimate, % of children under 5
2000	4.7
2001	4.7
2002	4.7
2003	4.7
2004	4.6
2005	4.6
2006	4.6
2007	4.5
2008	4.3
2009	4.2
2010	4
2011	3.9
2012	3.8
2013	3.7
2014	3.6
2015	3.5
2016	3.5
2017	3.4
2018	3.4
2019	3.3
2020	3.2
2021	3.2
2022	3.1