Every two years	modeled estimate, % of children under 5
2000	19.5
2001	18.9
2002	18.5
2003	18.2
2004	18
2005	17.9
2006	17.9
2007	17.8
2008	17.6
2009	17.5
2010	17.4
2011	17.4
2012	17.6
2013	18
2014	18.5
2015	19
2016	19.6
2017	20.1
2018	20.6
2019	21
2020	21.4
2021	21.7
2022	21.9