Every two years modeled estimate, % of children under 5 2000 48.6 2001 48.1 2002 47.6 2003 47.1 2004 46.7 2005 46.3 2006 46 2007 45.5 2008 44.9 2009 44.2 2010 43.6 2011 43 2012 42.6 2013 42.2 2014 41.8 2015 41.4 2016 40.8 2017 40.1 2018 39.3 2019 38.5 2020 37.7 2021 37 2022 36.4