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