Every two years modeled estimate, % of children under 5 2000 5.6 2001 6.2 2002 6.7 2003 6.8 2004 6.3 2005 5.6 2006 4.7 2007 3.9 2008 3.3 2009 3 2010 2.7 2011 2.6 2012 2.5 2013 2.5 2014 2.4 2015 2.4 2016 2.3 2017 2.3 2018 2.2 2019 2.2 2020 2.2 2021 2.2 2022 2.2