Every two years	modeled estimate, % of children under 5
2000	18.4
2001	18.6
2002	19
2003	19.6
2004	20.3
2005	20.9
2006	21.4
2007	21.7
2008	21.7
2009	21.4
2010	21.1
2011	20.5
2012	19.9
2013	19.2
2014	18.5
2015	17.9
2016	17.3
2017	16.6
2018	15.9
2019	15.2
2020	14.6
2021	14.1
2022	13.8