Year % of children under 5 1987 0.8 1996 2.4 2001 3.2 2006 4.8 2010 1.2 2011 0.9 2014 1.6 2015 1.9 2016 0.7 2017 1.8 2018 2.2 2019 0.7 2020 1.1 2021 0.6 2022 1