Year $ 2011 PPP (%) 1995 0.0320854 1996 0.0217369 1997 0.0258095 1998 0.0063725 2000 0.0015018 2001 0.0131973 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0.0008515 2008 0.0008516 2009 0.0049076 2010 0 2011 0.0009911 2012 0.0014849 2013 0