Every two years modeled estimate, % of children under 5 2000 10.4 2001 11.2 2002 11.9 2003 12.4 2004 12.6 2005 12.4 2006 12.1 2007 11.7 2008 11.3 2009 10.8 2010 10.5 2011 10.2 2012 9.9 2013 9.7 2014 9.5 2015 9.4 2016 9.3 2017 9.3 2018 9.2 2019 9.2 2020 9.1 2021 9.1 2022 9.1