Every two years modeled estimate, % of children under 5 2000 32.6 2001 32.8 2002 33.1 2003 33.2 2004 33.4 2005 33.5 2006 33.6 2007 33.4 2008 33 2009 32.3 2010 31.4 2011 30.5 2012 29.6 2013 28.7 2014 27.7 2015 26.9 2016 25.9 2017 24.8 2018 23.8 2019 22.8 2020 21.8 2021 20.9 2022 20.2