Every two years modeled estimate, % of children under 5 2000 45.9 2001 44.4 2002 43.1 2003 41.7 2004 40.4 2005 39.1 2006 37.9 2007 36.7 2008 35.4 2009 34.2 2010 33 2011 31.9 2012 31.1 2013 30.3 2014 29.7 2015 29.1 2016 28.5 2017 27.7 2018 27 2019 26.3 2020 25.6 2021 24.8 2022 24.1