Year % of GNI 1993 5.38915220289485 1994 6.01347888296728 1995 8.73732249129024 1996 7.74404911091562 1997 7.55820408683369 1998 7.47270532183479 1999 4.78929680943112 2000 4.84245133843275 2001 4.23291623080442 2002 2.6156293584394 2003 3.81205639924122 2004 2.89941652930661 2005 3.21836100707423 2006 2.32271377031567 2007 2.45600892312688 2008 1.57389305424731 2009 0 2010 0 2011 0