Every two years	modeled estimate, % of children under 5
2000	17.7
2001	17.6
2002	17.6
2003	17.5
2004	17.3
2005	17
2006	16.3
2007	15.4
2008	14.3
2009	13
2010	11.8
2011	10.5
2012	9.4
2013	8.4
2014	7.6
2015	6.8
2016	6.2
2017	5.5
2018	4.9
2019	4.4
2020	4
2021	3.7
2022	3.4