Year % of children under 5 2001 1.9 2002 1.5 2003 1.9 2004 2.6 2005 2.4 2006 3.4 2007 2.7 2008 2 2009 1.4 2010 1.4 2011 1.7 2012 2.2 2013 3.6 2014 2.5 2015 3.3 2016 2.7 2017 2.6 2018 3.1 2019 2 2020 2.1 2021 3.1