Every two years	modeled estimate, % of children under 5
2000	15.2
2001	13.7
2002	12.3
2003	11
2004	9.9
2005	9
2006	8.3
2007	7.7
2008	7.2
2009	6.8
2010	6.4
2011	6.1
2012	5.9
2013	5.7
2014	5.6
2015	5.5
2016	5.5
2017	5.3
2018	5.2
2019	5.1
2020	4.9
2021	4.8
2022	4.7