Every two years	modeled estimate, % of children under 5
2000	2.3
2001	2.4
2002	2.4
2003	2.5
2004	2.6
2005	2.7
2006	2.8
2007	2.9
2008	3
2009	3.1
2010	3.2
2011	3.3
2012	3.5
2013	3.6
2014	3.7
2015	3.9
2016	4
2017	4.2
2018	4.3
2019	4.4
2020	4.5
2021	4.6
2022	4.6