Every two years modeled estimate, % of children under 5 2000 52.7 2001 51 2002 49 2003 46.2 2004 43.6 2005 41.2 2006 38.7 2007 36.2 2008 33.7 2009 31.3 2010 29.2 2011 27.3 2012 25.7 2013 24.4 2014 23.3 2015 22.3 2016 21.4 2017 20.5 2018 19.8 2019 19 2020 18.2 2021 17.5 2022 16.8