Every two years modeled estimate, % of children under 5 2000 30.3 2001 29.8 2002 29.3 2003 28.8 2004 28.4 2005 28 2006 27.6 2007 27.2 2008 26.6 2009 25.9 2010 25.2 2011 24.4 2012 23.8 2013 23.2 2014 22.6 2015 22.2 2016 21.8 2017 21.4 2018 21.1 2019 20.7 2020 20.3 2021 19.9 2022 19.5