Year	$ 2011 PPP (USD)
1984	0
1989	0
1992	0
1994	0.005491
1996	0.006559
1998	0.0054545
2000	0.0038752
2002	0.0035078
2004	0.0032095
2008	0.0014503
2010	0.0010004
2012	0.0008136