Every two years modeled estimate, % of children under 5 2000 20.3 2001 19.6 2002 18.9 2003 18.1 2004 17.5 2005 16.9 2006 16.4 2007 15.9 2008 15.4 2009 14.9 2010 14.3 2011 13.8 2012 13.3 2013 13 2014 12.8 2015 12.8 2016 12.8 2017 12.8 2018 12.9 2019 12.8 2020 12.8 2021 12.6 2022 12.6