Every two years	modeled estimate, % of children under 5
2000	4.7
2001	4.8
2002	4.8
2003	4.9
2004	5
2005	5
2006	5.1
2007	5.2
2008	5.3
2009	5.4
2010	5.5
2011	5.6
2012	5.6
2013	5.7
2014	5.8
2015	5.9
2016	5.9
2017	5.9
2018	5.9
2019	6
2020	6
2021	6
2022	6