Year	2011 PPP (% of population)
2003	1
2004	0.5
2005	0.5
2006	0
2007	0.2
2008	0.2
2009	0.2
2010	0.2
2011	0.5
2012	0.7
2013	0.7
2014	0.5
2015	0.5