Every two years	modeled estimate, % of children under 5
2000	2.9
2001	2.7
2002	2.5
2003	2.4
2004	2.3
2005	2.3
2006	2.2
2007	2.2
2008	2.1
2009	2.1
2010	2
2011	1.9
2012	1.9
2013	1.9
2014	1.8
2015	1.8
2016	1.8
2017	1.7
2018	1.7
2019	1.7
2020	1.6
2021	1.6
2022	1.6