Every two years	modeled estimate, % of children under 5
2000	4.4
2001	5.1
2002	5.6
2003	5.8
2004	5.6
2005	5
2006	4.4
2007	3.9
2008	3.5
2009	3.3
2010	3.2
2011	3.2
2012	3.3
2013	3.4
2014	3.6
2015	3.7
2016	3.8
2017	4
2018	4.2
2019	4.5
2020	4.8
2021	5
2022	5.3