Every two years	modeled estimate, % of children under 5
2000	3.6
2001	3.6
2002	3.6
2003	3.6
2004	3.6
2005	3.6
2006	3.7
2007	3.7
2008	3.8
2009	3.8
2010	3.9
2011	3.9
2012	4
2013	4
2014	4.1
2015	4.1
2016	4.1
2017	4.2
2018	4.2
2019	4.3
2020	4.4
2021	4.5
2022	4.5