Every two years modeled estimate, % of children under 5 2000 4.6 2001 4.7 2002 4.9 2003 5 2004 5.2 2005 5.3 2006 5.4 2007 5.6 2008 5.7 2009 5.8 2010 6 2011 6.1 2012 6.2 2013 6.3 2014 6.4 2015 6.5 2016 6.6 2017 6.7 2018 6.7 2019 6.7 2020 6.7 2021 6.8 2022 6.8