Every two years	modeled estimate, % of children under 5
2000	3.18
2001	3.06
2002	2.95
2003	2.85
2004	2.77
2005	2.72
2006	2.69
2007	2.66
2008	2.62
2009	2.6
2010	2.59
2011	2.6
2012	2.63
2013	2.69
2014	2.77
2015	2.86
2016	2.96
2017	3.06
2018	3.16
2019	3.26
2020	3.37
2021	3.47
2022	3.56