Every two years modeled estimate, % of children under 5 2000 19.9 2001 18.4 2002 17 2003 15.6 2004 14.3 2005 13.2 2006 12.2 2007 11.3 2008 10.5 2009 9.7 2010 8.9 2011 8.1 2012 7.6 2013 7.1 2014 6.7 2015 6.5 2016 6.2 2017 5.9 2018 5.7 2019 5.4 2020 5.1 2021 4.9 2022 4.6