Year	2017 PPP (% of population)
1982	0.7
1992	0.7
2000	0.2
2002	0
2006	0.2
2007	0.1
2008	0.1
2009	0.1
2010	0.1
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0.1
2017	0
2018	0
2019	0
2020	0.1