Every two years modeled estimate, % of children under 5 2000 17.8 2001 17.4 2002 17 2003 16.7 2004 16.4 2005 16.4 2006 16.5 2007 16.7 2008 16.4 2009 15.6 2010 14.5 2011 13.2 2012 11.7 2013 10.6 2014 9.9 2015 9.4 2016 9 2017 8.7 2018 8.4 2019 8.2 2020 7.9 2021 7.6 2022 7.4