Every two years modeled estimate, % of children under 5 2000 32.9 2001 32.4 2002 31.9 2003 31.2 2004 30.5 2005 29.6 2006 28.6 2007 27.3 2008 25.9 2009 24.3 2010 22.8 2011 21.3 2012 19.9 2013 18.7 2014 17.7 2015 16.6 2016 15.7 2017 14.7 2018 13.8 2019 13 2020 12.3 2021 11.6 2022 11.1