Year	% of GNI
1971	5.02242441797726
1972	5.10238155713465
1973	5.381296062393922
1974	3.000483655271121
1975	3.5383554782230173
1976	3.4451435395612644
1978	4.8831316361819965
1980	7.601405068326701
1981	7.354653293782706
1982	9.143877229372764
1983	10.140488530343433
1984	10.849220398154385
1985	12.052884276846665
1986	11.878012947057718
1987	12.145763626636299
1988	12.09465818381785
1989	11.530110699081607
1990	13.689553165193292
1991	9.097021055820804
1992	8.367529519569905
1993	9.16418673680386
1994	9.674482155499591
1995	10.056096854541336
1996	10.026686190106389
1997	10.109675342425449
1998	10.461651488637374
1999	9.759722116553231
2000	8.568696498999696
2001	8.988255003266481
2002	8.909592615767242
2003	8.813436076595412
2004	8.894862782468604
2005	8.894245824688564
2006	8.73842443195531
2007	8.844810068823424
2008	8.70338574866641
2009	9.471861182212411
2010	8.484610259316412
2011	8.154694977049946
2012	8.16626578418114
2013	8.488542183060492
2014	8.705080034485897
2015	9.784397186455037
2016	9.557865258061895
2017	9.40080205565657
2018	8.791720392286948
2019	9.044966564999694
2020	9.753230168568138