Every two years	modeled estimate, % of children under 5
2000	30.3
2001	30.1
2002	30
2003	29.7
2004	29.5
2005	29.3
2006	28.8
2007	28.3
2008	27.8
2009	27
2010	26.1
2011	25.3
2012	24.6
2013	23.6
2014	23.2
2015	22.9
2016	22.9
2017	22.9
2018	23
2019	22.8
2020	22.5
2021	22.1
2022	21.6