Every two years modeled estimate, % of children under 5 2000 8.4 2001 8.6 2002 8.8 2003 9 2004 9.2 2005 9.2 2006 9.2 2007 9.2 2008 9 2009 8.8 2010 8.5 2011 8.2 2012 7.9 2013 7.5 2014 7.2 2015 6.9 2016 6.6 2017 6.4 2018 6.2 2019 6.1 2020 6.1 2021 6.2 2022 6.4