Every two years	modeled estimate, % of children under 5
2000	41.6
2001	41.8
2002	41.9
2003	42.1
2004	42.1
2005	42.2
2006	42.2
2007	41.8
2008	41.2
2009	40.5
2010	39.6
2011	38.6
2012	37.5
2013	36.5
2014	35.5
2015	34.6
2016	33.9
2017	33.4
2018	32.9
2019	32.6
2020	32.3
2021	32
2022	31.8