Year	% of GNI
1984	22.38049719060497
1985	24.514493318732494
1989	26.807620596173905
1990	22.74194340622456
1991	19.808755432645974
1992	20.020611749414574
1993	18.93615629416096
1994	18.08607188546044
1995	22.65260802763211
1996	25.68156764679405
1997	23.743878565509647
1998	23.237761176968895
1999	27.052701096466784
2000	26.4083587236443
2001	22.921409795920546
2002	25.380667065494478
2003	25.175990456314796
2004	25.541025147659333
2005	22.870309955090086
2006	25.82803240192033
2007	28.631565249752178
2008	26.39590455388898
2009	26.5109766235921
2010	25.620396788436803