Year	$ 2011 PPP (%)
1998	0.6022295
1999	0.555701
2000	0.5096371
2001	0.4595599
2002	0.778805
2003	0.7603346
2004	0.4590902
2005	0.2070234
2006	0.0844364
2007	0.0529224
2008	0.0335307
2009	0.0244987
2010	0.0143513
2011	0
2012	0