Year	2017 PPP (% of population)
1994	0.2
1995	0.2
1996	0.2
1997	0.2
1998	0.5
1999	0.2
2000	0.2
2003	0.4
2004	0.1
2005	0.2
2006	0.2
2007	0.6
2008	0.6
2009	0.7
2010	0.6
2011	0.6
2012	0.7
2013	0.4
2014	0.3
2015	0.7
2016	0.9
2017	0.4
2018	0.7
2019	0.7
2020	0.9
2021	0.5