Year	$ 2011 PPP (USD)
2001	0.0075678
2002	0.0058612
2004	0.005816
2005	0.0053805
2006	0.0039493
2007	0.0039036
2009	0.0019186
2010	0.0014595
2011	0.0012114
2012	0.0009847
2013	0.0013716
2014	0.00163
2015	0.0001413