Every two years modeled estimate, % of children under 5 2000 49.12 2001 48.7 2002 48.4 2003 48.09 2004 47.77 2005 47.45 2006 47.07 2007 46.52 2008 45.8 2009 44.91 2010 43.84 2011 42.68 2012 41.51 2013 40.39 2014 39.32 2015 38.33 2016 37.35 2017 36.36 2018 35.33 2019 34.3 2020 33.31 2021 32.32 2022 31.45