Year	% of GNI
1970	2.396762045908559
1971	1.9477961886802793
1972	2.3878389204697847
1973	3.17636195173239
1974	2.631008683335283
1975	2.7839388954843356
1976	2.912188078265651
1977	3.463371616172631
1978	3.0334811820463097
1979	3.342395904097551
1980	4.118244613677018
1981	4.230290531833338
1982	4.4591573090750245
1983	6.369977442753656
1984	6.184047814375479
1985	7.101561702418906
1986	6.805866639728445
1987	6.925366527038758
1988	6.716133102683932
1989	5.984105116905993
1990	6.459295355652838
1991	5.634634592227003
1992	5.1463373060225415
1993	5.212034257300835
1994	7.337180508656318
1995	5.896848807167198
1996	5.639630153890796
1997	6.209005521148108
1998	4.63727541306693
1999	4.932634595022515
2000	3.934595858467722
2001	3.755960178614595
2002	3.6012103727146054
2003	3.2869665450315337
2004	3.676119565419186
2005	2.5954391520430975
2006	2.069622912661812
2007	2.253991070902846
2008	1.1098425951956294
2009	1.2018589630065326
2010	1.224492332686663
2011	1.0035617993752484
2012	1.0854701065540984
2013	1.3268485823248022
2014	1.2644268541404495
2015	1.1160903185710265
2016	1.7441407053796452
2017	2.022851081784432
2018	2.1229726835351106
2019	2.989418572601268
2020	2.808690980148804
2021	3.2349225008068037
2022	3.6967529808932356