Every two years modeled estimate, % of children under 5 2000 56 2001 55.7 2002 55.3 2003 54.7 2004 54.1 2005 53.4 2006 52.6 2007 51.5 2008 50.2 2009 48.7 2010 47 2011 45.3 2012 43.6 2013 42.1 2014 40.7 2015 39.4 2016 38.4 2017 37.7 2018 36.9 2019 36.1 2020 35.3 2021 34.6 2022 34