Year	World Bank (% of population)
2008	1.8
2009	2.2
2010	2.3
2011	1.6
2012	1.8
2013	2.2
2014	1.3
2015	1.2
2016	1.3
2017	1.2
2018	0.9
2019	0.6
2020	0.8
2021	1