Year % of children under 5 2001 2.4 2002 2.1 2003 2.6 2004 3.7 2005 3.5 2006 2.5 2007 3.5 2008 2.7 2009 1.5 2010 2.6 2011 2 2012 2.4 2013 3.3 2014 3.1 2015 2.8 2016 2.8 2017 2.8 2018 2.6 2019 2.5 2020 1.8 2021 3