Every two years modeled estimate, % of children under 5 2000 5.8 2001 5.5 2002 5.2 2003 5 2004 4.8 2005 4.7 2006 4.7 2007 4.7 2008 4.7 2009 4.8 2010 4.8 2011 4.9 2012 5 2013 5.2 2014 5.4 2015 5.6 2016 5.8 2017 6.1 2018 6.4 2019 6.8 2020 7 2021 7.2 2022 7.4