Every two years modeled estimate, % of children under 5 2000 4.2 2001 4.3 2002 4.5 2003 4.7 2004 4.9 2005 5 2006 5.1 2007 5.2 2008 5.4 2009 5.6 2010 5.8 2011 6.1 2012 6.3 2013 6.5 2014 6.7 2015 6.9 2016 7 2017 7.3 2018 7.4 2019 7.4 2020 7.5 2021 7.5 2022 7.4