Every two years modeled estimate, % of children under 5 2000 7.7 2001 8.5 2002 9.3 2003 10.1 2004 10.8 2005 11.4 2006 12 2007 12.4 2008 12.7 2009 12.7 2010 12.7 2011 12.4 2012 12.1 2013 11.6 2014 11.1 2015 10.5 2016 10 2017 9.4 2018 8.9 2019 8.5 2020 8.2 2021 7.9 2022 7.7