Year	2011 PPP (% of population)
2003	0.5
2004	0.7
2005	0.2
2006	0.5
2007	0.5
2008	0.5
2009	0.5
2010	1
2011	1.2
2012	1.5
2013	1
2014	1.5
2015	1.5