Year	World Bank (% of population)
2008	0.6
2009	0.8
2010	1
2011	1.3
2012	1.1
2013	1.2
2014	1.1
2015	0.9
2016	0.7
2017	0.5
2018	0.5
2019	0.8
2020	0.6
2021	0.5