Year	% of GNI
1970	10.5654438520118
1971	11.9294096146439
1972	14.4670318211386
1973	16.938313246804
1974	17.5759312830011
1975	17.8749270476903
1976	19.0123952142048
1977	19.5713552524759
1978	20.8623592346343
1979	16.0931207509615
1980	14.5446098085397
1981	12.6643094163551
1982	15.0414482587267
1983	18.6054122088882
1984	21.7860107566971
1985	20.8728276369663
1986	25.9885080312696
1987	26.8101736331708
1988	30.1547263736253
1989	29.4161119567429
1990	29.6477838395524
1991	30.0620797955751
1992	28.4424767507243
1993	30.6908930011465
1994	28.7335394928017
1995	43.704854403655
1996	43.5710704882094
1997	34.1616915455777
1998	32.8801246635296
1999	35.1890915585316
2000	34.1238759849285
2001	35.3314304466153
2002	34.8715102687524
2003	34.39230275598
2004	36.6538565593779
2005	31.4505435792848
2006	28.3236098250483
2007	28.7130383095288
2008	27.6029240980989
2009	27.469618201888
2010	26.7074383085313
2011	27.5581722745478
2012	26.2219429868462
2013	25.9601299089806
2014	25.1108259776917
2015	26.8915020684003
2016	26.9646187755091
2017	29.3992622946978
2018	25.2751566401594
2019	26.8736945754653
2020	29.6826262955277
2021	25.7313544959802