Year $ 2011 PPP (USD) 1995 0.0002428 1996 0.0002175 1997 0.0001496 1998 0.000182 2000 1.61E-05 2001 4.28E-06 2002 0 2003 0 2004 0 2005 6.98E-06 2006 0 2007 1.04E-05 2008 1.06E-05 2009 1.16E-05 2010 6.7E-07 2011 2.58E-07 2012 0.0016197 2013 0