Every two years modeled estimate, % of children under 5 2000 8.1 2001 8.3 2002 8.4 2003 8.5 2004 8.6 2005 8.6 2006 8.6 2007 8.4 2008 8.2 2009 8 2010 7.7 2011 7.4 2012 7.1 2013 6.9 2014 6.8 2015 6.6 2016 6.5 2017 6.4 2018 6.2 2019 6.1 2020 5.9 2021 5.7 2022 5.6