Year	% of GNI
1970	0.23171095369175468
1971	0.2976802438920561
1972	0.36308002476759027
1973	0.4635277078651732
1974	2.026681810350795
1975	1.736764628040455
1976	1.8690056389910865
1977	1.8288468293307956
1978	1.5847173553068943
1979	3.0158395583717557
1980	3.3265804994955936
1981	2.5632713995102514
1982	1.566457038740276
1983	1.7544820801176848
1984	1.7328664869279256
1985	1.5768490450517827
1986	0.6182686060381449
1987	0.7819986039389025
1988	0.6246827438892226
1989	0.8723681569840257
1990	1.0602170563202693
1991	0.6087757636118314
1992	0.5981750517344271
1993	0.6364678609427569
1994	0.5540379996312239
1995	0.5465351415444952
1996	0.7119480112953184
1997	0.6325299846406657
1998	0.33972003993508876
1999	0.5291420209758724
2000	1.0700402557135404
2001	0.8926913394260102
2002	0.7987553621743967
2003	0.9536440791192523
2004	1.1744248331580625
2005	1.540092060430318
2006	1.535351093305071
2007	1.4554832291513335
2008	2.104637730271165
2009	1.0743670456250944
2010	1.3220561404640365
2011	1.8245589488972251
2012	1.6093294796314048
2013	1.4404238335000958
2014	1.2746513051107078
2015	0.6427237952176293
2016	0.536058781051501
2017	0.6995803938263383
2018	0.9920775543612094
2019	0.8505692247149076
2020	0.47306249262390265
2021	1.0025581705367672