Year	$ 2011 PPP (USD)
1999	0.0129281
2000	0.0116723
2001	0.0099789
2002	0.0060042
2003	0.0039859
2004	0.0020215
2005	0.005246
2006	0.0025824
2007	0.0008597
2008	0.0006125
2009	0.0007042
2010	0.0002598
2011	0.0001011
2012	0.0002752
2013	8.35E-05