Year	% of GNI
1980	1.265476227268775
1981	0.9499846742259099
1982	0.48983845306807167
1983	1.0291719480300228
1984	1.315299065408232
1985	1.6565968796349413
1986	0.4829746298768626
1987	0.916866742872954
1988	0.6554276940134083
1989	1.2051336337638923
1990	1.35495425300411
1991	0.6721311029179834
1992	0.9979498641969295
1993	0.9778437016853705
1994	0.7747437414116785
1995	0.7928029927173795
1996	0.9521567512256879
1997	0.930720241547991
1998	0.46860144944794135
1999	0.853872005976384
2000	2.1765114817245745
2001	1.6114760805870598
2002	1.593426770987385
2003	1.486555415428094
2004	2.6298810852075203
2005	3.814454020230334
2006	4.323700755530211
2007	3.364844990705148
2008	3.962270389056922
2009	1.817639262007018
2010	2.4537262108618294
2011	3.211919551766291
2012	2.14053400006155
2013	1.712749481449042
2014	1.2959240247938801
2015	0.5453049012501059
2016	0.42943741683412473
2017	0.7621420675607203
2018	1.283342691933387
2019	1.1532757149930757
2020	0.6772437270656791
2021	1.2255607517093454