Year % of children under 5 1996 1.5 2001 2.2 2002 2.1 2003 2.3 2004 2.8 2005 2.6 2006 2.9 2007 2.9 2008 2.4 2009 1.7 2010 1.7 2011 2.1 2012 2.1 2013 3.6 2014 3 2015 3.2 2016 3.3 2017 3.6 2018 3.7 2019 2.8 2020 2.5 2021 3.1