Year	% of GNI
2000	17.2492807483866
2001	20.7175250862339
2002	22.1093121869424
2003	19.9384367544199
2004	18.8927126301484
2005	18.5346562225876
2006	20.2172800840974
2007	16.9023101955458
2008	12.7839543210398
2009	11.3714474880641
2010	15.6889300315144