Year	2017 PPP (% of population)
1982	0.7
1992	0.5
2000	0
2002	0
2006	0
2007	0
2008	0.1
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0