Every two years modeled estimate, % of children under 5 2000 8.6 2001 8.9 2002 9.2 2003 9.4 2004 9.5 2005 9.6 2006 9.7 2007 9.8 2008 10 2009 10.1 2010 10.2 2011 10.4 2012 10.5 2013 10.7 2014 10.8 2015 10.9 2016 11 2017 11.1 2018 11.2 2019 11.3 2020 11.4 2021 11.4 2022 11.4