Every two years modeled estimate, % of children under 5 2000 48.7 2001 48.7 2002 48.7 2003 48.6 2004 48.5 2005 48.3 2006 47.9 2007 47.1 2008 46.1 2009 44.9 2010 43.4 2011 41.9 2012 40.4 2013 39 2014 37.6 2015 36.3 2016 34.9 2017 33.5 2018 32.2 2019 30.9 2020 29.7 2021 28.7 2022 27.7