Every two years	modeled estimate, % of children under 5
2000	41.7
2001	41.6
2002	41.4
2003	41.3
2004	41.1
2005	40.9
2006	40.7
2007	40.4
2008	40
2009	39.4
2010	38.8
2011	38.2
2012	37.7
2013	37.3
2014	36.9
2015	36.7
2016	36.4
2017	36.2
2018	35.8
2019	35.4
2020	35
2021	34.5
2022	34.2