Year	% of GNI
1967	4.866037611730191
1968	5.407779987078041
1969	3.920288938672016
1970	5.827966808108742
1971	4.305462641520778
1972	4.565538074087937
1973	3.7268588776776217
1974	3.298762634874155
1975	4.314597273386783
1976	5.273309000808437
1977	6.8281140493240216
1978	4.212461444233946
1979	4.964056954293753
1980	4.75949782481945
1981	3.3330981036360576
1982	3.414940203438806
1983	1.9732646622281251
1984	2.593283207100357
1985	1.8419570493559432
1986	1.8497988776278296
1987	1.576900336366165
1988	2.260501432563932
1989	4.19217111614706
1990	3.770162153024263
1991	4.649931764207129
1992	6.276700854245197
1993	3.5084098530827577
1994	8.630793734865486
1995	4.303797362231392
1996	3.9126409691843618
1997	4.890709625714389
1998	4.609307720387808
1999	3.9076609784333702
2000	3.782322118029905
2001	4.4661039275052765
2002	5.159077339762668
2003	5.734563555498388
2004	4.2379000794763595
2005	2.189904038349364
2006	8.307783425685402
2007	8.101125952914803
2008	1.913674797498887
2009	2.143009293577339
2010	1.982986574123655
2011	2.018208661137082
2012	2.009945741376754
2013	2.270869120611207
2014	2.3978930115944443
2015	2.0903062290573677
2016	2.2750123298398974
2017	3.433758627134467
2018	2.9715955270223082
2019	3.341890002221426
2020	3.5072795936393875
2021	2.57769414917822
2022	2.7683276413817115