Year	% of GNI
1998	40.6706423835853
1999	37.5292444155971
2000	38.9604071030625
2001	38.2667522902458
2002	32.9089325595955
2003	27.5064219635144
2004	24.5524369262462
2005	15.5750219343444
2006	24.4101766004981
2007	27.6461087659139
2008	21.1126590200309
2009	12.2321350281825
2010	23.04560129624
2011	27.3026418136581