Every two years modeled estimate, % of children under 5 2000 14.4 2001 15.3 2002 16.1 2003 17 2004 17.6 2005 18.1 2006 18.4 2007 18.5 2008 18.4 2009 18 2010 17.4 2011 16.6 2012 15.8 2013 14.9 2014 13.9 2015 12.9 2016 11.9 2017 11 2018 10.1 2019 9.4 2020 8.8 2021 8.3 2022 8