Every two years modeled estimate, % of children under 5 2000 46 2001 46 2002 46 2003 46 2004 45.9 2005 45.7 2006 45.5 2007 45.2 2008 44.7 2009 44.3 2010 43.7 2011 43.2 2012 42.7 2013 42.3 2014 42 2015 41.8 2016 41.7 2017 41.7 2018 41.6 2019 41.4 2020 41.1 2021 40.7 2022 40.3