Year	2017 PPP (% of population)
1987	0
1991	0
1995	0
2000	0
2003	0
2004	0
2005	0.1
2006	0.1
2007	0.1
2008	0.1
2009	0.1
2010	0.1
2011	0
2012	0.1
2013	0.1
2014	0.1
2015	0.1
2016	0
2017	0.1
2018	0.1
2019	0
2020	0
2021	0