Every two years modeled estimate, % of children under 5 2000 5.6 2001 5.7 2002 5.8 2003 5.8 2004 5.9 2005 5.9 2006 6 2007 6 2008 6.1 2009 6.1 2010 6.2 2011 6.2 2012 6.2 2013 6.1 2014 6.1 2015 6.1 2016 6 2017 6 2018 5.9 2019 5.9 2020 5.8 2021 5.7 2022 5.7