Every two years modeled estimate, % of children under 5 2000 39.3 2001 37.7 2002 36.2 2003 34.7 2004 33.3 2005 32.1 2006 30.9 2007 29.9 2008 29 2009 28.1 2010 27.3 2011 26.6 2012 26 2013 25.6 2014 25.3 2015 25.1 2016 24.9 2017 24.6 2018 24.3 2019 23.8 2020 23.3 2021 22.7 2022 22.1