Every two years modeled estimate, % of children under 5 2000 33.7 2001 32.6 2002 31.4 2003 29.9 2004 28.1 2005 26.4 2006 24.5 2007 22.6 2008 20.8 2009 19.3 2010 18.1 2011 17.1 2012 16.4 2013 15.9 2014 15.6 2015 15.5 2016 15.3 2017 15.1 2018 14.9 2019 14.6 2020 14.3 2021 14.1 2022 13.9