Every two years	modeled estimate, % of children under 5
2000	54.9
2001	55
2002	54.7
2003	54.3
2004	53.8
2005	53.2
2006	52.5
2007	51.6
2008	50.4
2009	48.9
2010	47.4
2011	45.8
2012	44.3
2013	42.9
2014	41.6
2015	40.5
2016	39.4
2017	38.3
2018	37.2
2019	36.1
2020	35.1
2021	34
2022	33.1