Every two years modeled estimate, % of children under 5 2000 55.8 2001 54.6 2002 53.6 2003 52.5 2004 51.4 2005 50.4 2006 49.3 2007 48 2008 46.6 2009 45 2010 43.4 2011 41.8 2012 40.3 2013 38.8 2014 37.4 2015 36 2016 34.6 2017 33.2 2018 31.8 2019 30.4 2020 29.1 2021 27.8 2022 26.7