Every two years modeled estimate, % of children under 5 2000 33.7 2001 33.6 2002 33.4 2003 32.6 2004 31.8 2005 30.9 2006 30 2007 29.2 2008 28 2009 26.8 2010 25.5 2011 24.2 2012 23.1 2013 22.2 2014 21.5 2015 20.9 2016 20.3 2017 19.7 2018 19.1 2019 18.5 2020 17.8 2021 17.1 2022 16.5