Every two years modeled estimate, % of children under 5 2000 27.8 2001 27.7 2002 27.6 2003 27.4 2004 27.2 2005 27.1 2006 26.8 2007 26.5 2008 25.9 2009 25.1 2010 24.2 2011 23.2 2012 22.3 2013 21.4 2014 20.6 2015 19.8 2016 18.9 2017 18 2018 17 2019 15.7 2020 15 2021 14.3 2022 13.6