Year	% of GNI
1974	18.5490929283085
1975	19.502719070593905
1976	21.127148767869173
1977	18.952043815030954
1978	19.585543604355614
1979	21.434915188533544
1980	16.547271935445288
1981	21.086170248795305
1982	20.098234964835214
1983	17.886513760281613
1984	18.20312472021266
1985	21.445749844100103
1986	24.556886398230333
1987	11.779888970510148
1994	-9.253288579116193
1995	-9.998844893109698
1996	-4.847223240759876
1997	-5.014562410693744
1998	-0.8971283331889861
1999	0.9209651574355773
2000	2.6623438521389833
2001	1.5182967569791144
2002	1.0272159250545547
2003	1.6776846489087962
2004	4.937737617882169
2005	6.646060137845642
2006	8.26294716873158
2007	9.96957861667341
2008	9.780966749972496
2009	4.730172902966826
2010	8.166288857425993
2011	9.99523028352723
2012	9.5816409985222
2013	8.324121232764439
2014	8.612224958308696
2015	9.704319751699746
2016	8.37496602057057
2017	8.970285274449509
2018	9.654615066463776
2019	8.43805812623592
2020	9.201444408413074
2021	8.406629857090165