Every two years modeled estimate, % of children under 5 2000 39.5 2001 39 2002 38.6 2003 38.1 2004 37.6 2005 37 2006 36.4 2007 35.7 2008 34.8 2009 33.8 2010 32.7 2011 31.7 2012 30.7 2013 29.9 2014 29.3 2015 28.6 2016 27.9 2017 27.2 2018 26.4 2019 25.6 2020 24.9 2021 24.3 2022 23.8