Every two years modeled estimate, % of children under 5 2000 53.2 2001 53.3 2002 53.2 2003 52.9 2004 52.6 2005 52.2 2006 51.9 2007 51.4 2008 50.6 2009 49.6 2010 48.7 2011 47.8 2012 47.1 2013 46.5 2014 46 2015 46 2016 45.8 2017 45.5 2018 45.3 2019 44.9 2020 44.2 2021 43.7 2022 43.5