Year	% of GNI
1970	2.3559305062330624
1971	2.377097394947025
1972	1.55838977279597
1973	1.0798860771223022
1974	1.1428338230719377
1975	2.0830375141385233
1976	1.8918972387156527
1977	1.1930378886091881
1978	2.0236199851848315
1979	2.5857730023752805
1980	3.593274776836185
1981	2.8161178366388597
1982	2.758536505893814
1983	3.611783894735688
1984	3.044337775356368
1985	3.602219306268491
1986	4.063625813029829
1987	8.406611074349874
1988	10.769753687043217
1989	8.840693106129025
1990	6.3711174251588005
1991	4.650739156531223
1992	5.056319956212593
1993	5.262386298942702
1994	6.914403361618904
1995	6.410485822953108
1996	7.107393011691214
1997	8.272654020570837
1998	7.944003560504112
1999	6.965101164461053
2000	9.669381542787626
2001	5.997692222768166
2002	3.6790855962916065
2003	6.724836603305991
2004	3.192980763038273
2005	3.2085736959597084
2006	1.4230031655475184
2007	0.951659417334977
2008	0.8098224557755227
2009	0.9978444249269294
2010	1.01274382910952
2011	0.9255604223048034
2012	2.005382041292001
2013	1.0890648002599939
2014	4.618575428985228
2015	2.2113978169890416
2016	7.832262647247769
2017	10.210494631476042
2018	5.64047535259594
2019	14.438436128842442
2020	3.679790777397461
2021	4.5929012834336955
2022	4.3262067752532865