Year	$ 2011 PPP (USD)
2002	0.0051975
2003	0.0044356
2004	0.0036517
2005	0.0033838
2006	0.0033808
2007	0.0029839
2008	0.002404
2009	0.0022547
2010	0.0025869
2011	0.0022276
2012	0.0012521