Year	% of GNI
1971	9.620386535337417
1972	9.735039099860005
1973	10.89141260364218
1974	10.24065073331531
1975	8.229187276592885
1976	9.063456830853692
1977	8.928430315303766
1978	9.43483675594244
1979	9.521286755465583
1980	8.28226549818634
1981	7.685111986099626
1982	5.663480790892367
1983	4.951477895117632
1984	6.607971567915614
1985	5.680076377864234
1986	5.046456399125555
1987	5.353853263451116
1988	6.269976571944325
1989	6.026794038520592
1990	4.513514490984527
1991	3.5078729915416247
1992	3.040395251823359
1993	2.328593788106037
1994	3.479765360272104
1995	4.648622997089561
1996	7.509268376208581
1997	7.879405518893883
1998	7.755234455775373
1999	7.349027244535215
2000	7.677908066509328
2001	6.459916634211936
2002	5.564925564378051
2003	5.430995256360585
2004	6.270109317002365
2005	6.672462921414397
2006	7.420778364441215
2007	7.147182176980888
2008	5.462308780043511
2009	2.0544565822895464
2010	4.082909422760036
2011	5.280222996521466
2012	5.706240499990859
2013	5.790943249937971
2014	6.194758848535354
2015	6.042171055287131
2016	5.651305872876527
2017	6.4772783852709495
2018	6.791036981724105
2019	6.544373130229957
2020	4.854069330281089
2021	5.400947526097376