Every two years modeled estimate, % of children under 5 2000 4 2001 4 2002 4 2003 4 2004 4 2005 4.1 2006 4.2 2007 4.3 2008 4.4 2009 4.4 2010 4.5 2011 4.6 2012 4.8 2013 5 2014 5.2 2015 5.4 2016 5.7 2017 5.9 2018 6.1 2019 6.3 2020 6.5 2021 6.7 2022 6.9