Year	$ 2011 PPP (USD)
1996	0.0056487
1997	0.00467
1998	0.0041361
1999	0.0055149
2000	0.0147617
2002	0.0055528
2003	0.0061907
2004	0.0059211
2005	0.0054135
2006	0.0063535
2008	0.0037877