Every two years	modeled estimate, % of children under 5
2000	40.4
2001	39.8
2002	39.2
2003	38.8
2004	38.4
2005	38.1
2006	37.9
2007	37.5
2008	37.1
2009	36.6
2010	35.9
2011	35.2
2012	34.6
2013	34.1
2014	33.6
2015	33.3
2016	33
2017	32.7
2018	32.5
2019	32.2
2020	31.9
2021	31.4
2022	31