Every two years modeled estimate, % of children under 5 2000 7.6 2001 7.4 2002 7.3 2003 7.1 2004 7 2005 6.8 2006 6.7 2007 6.5 2008 6.3 2009 6.1 2010 5.8 2011 5.6 2012 5.4 2013 5.3 2014 5.3 2015 5.2 2016 5.1 2017 5 2018 4.9 2019 4.8 2020 4.7 2021 4.6 2022 4.5