Year % of children under 5 1992 6.7 1998 7.3 2000 6.1 2006 4.3 2007 3 2008 3.1 2009 2.3 2010 3.6 2011 2.2 2012 6.7 2013 2.5 2014 2.7 2015 3.5 2016 2.1 2018 3 2019 2.4 2020 2.5 2021 2.3 2022 2.1