Every two years modeled estimate, % of children under 5 2000 40.4 2001 41.2 2002 42.2 2003 43.1 2004 44 2005 44.8 2006 45.5 2007 45.8 2008 45.8 2009 45.6 2010 45.1 2011 44.5 2012 43.8 2013 43 2014 42.2 2015 41.4 2016 40.5 2017 39.4 2018 38.3 2019 37.1 2020 36 2021 34.9 2022 34