Every two years modeled estimate, % of children under 5 2000 38.8 2001 37.8 2002 37 2003 36.2 2004 35.4 2005 34.5 2006 33.6 2007 32.5 2008 31.2 2009 29.7 2010 28.1 2011 26.6 2012 25 2013 23.7 2014 22.6 2015 21.6 2016 20.8 2017 19.9 2018 19 2019 18.1 2020 17.3 2021 16.6 2022 16.1