Every two years modeled estimate, % of children under 5 2000 7.1 2001 7.3 2002 7.6 2003 8 2004 8.5 2005 9 2006 9.5 2007 10.1 2008 10.7 2009 11.4 2010 12.1 2011 12.9 2012 13.7 2013 14.5 2014 15.3 2015 16.2 2016 17 2017 17.9 2018 18.8 2019 19.6 2020 20.4 2021 21.1 2022 21.8