Every two years modeled estimate, % of children under 5 2000 55.2 2001 54.8 2002 54.5 2003 54.1 2004 53.6 2005 53.1 2006 52.5 2007 51.8 2008 50.9 2009 50.1 2010 49.2 2011 48.2 2012 47.3 2013 46.5 2014 45.7 2015 45 2016 44.2 2017 43.4 2018 42.4 2019 41.4 2020 40.4 2021 39.4 2022 38.6