Every two years	modeled estimate, % of children under 5
2000	46.5
2001	43.5
2002	40.6
2003	38
2004	35.7
2005	33.9
2006	32.5
2007	31.6
2008	30.9
2009	30.7
2010	30.8
2011	31.1
2012	31.8
2013	32.8
2014	34.1
2015	35.6
2016	37.2
2017	38.7
2018	40.2
2019	41.4
2020	42.4
2021	43.1
2022	43.6