Year	2017 PPP (% of population)
1994	0.2
1995	0
1996	0
1997	0.2
1998	0.2
1999	0.2
2000	0
2003	0.3
2004	0.1
2005	0.2
2006	0.1
2007	0.4
2008	0.5
2009	0.7
2010	0.5
2011	0.4
2012	0.6
2013	0.3
2014	0.2
2015	0.7
2016	0.7
2017	0.3
2018	0.6
2019	0.6
2020	0.7
2021	0.5