Year	2017 PPP (% of population)
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0.1
2004	0
2005	0.1
2006	0
2007	0
2008	0
2009	0.1
2010	0
2011	0.1
2012	0.1
2013	0.1
2014	0.2
2015	0.4
2016	0.1
2017	0.4
2018	0.4
2019	0.1
2020	0
2021	0.1