Year	$ 2011 PPP (USD)
2000	0.0362281
2006	0.0147968
2007	0.0123415
2008	0.0106697
2009	0.0096878
2010	0.007637
2011	0.0070766
2012	0.0059316
2014	0.0040045
2015	0.0014986