Every two years modeled estimate, % of children under 5 2000 38.1 2001 38.5 2002 38.7 2003 38.9 2004 39 2005 39 2006 39 2007 38.8 2008 38.3 2009 37.7 2010 36.9 2011 35.9 2012 34.9 2013 33.8 2014 32.9 2015 32.3 2016 31.6 2017 30.5 2018 28.8 2019 28.1 2020 27.4 2021 26.6 2022 26