Every two years modeled estimate, % of children under 5 2000 7.2 2001 7.7 2002 8 2003 8.2 2004 8.1 2005 7.9 2006 7.6 2007 7.3 2008 7 2009 6.8 2010 6.6 2011 6.4 2012 6.3 2013 6.2 2014 6.1 2015 6 2016 5.8 2017 5.6 2018 5.5 2019 5.3 2020 5.1 2021 4.9 2022 4.7