Year	% of GNI
1981	10.5876604177024
1982	32.4745654861712
1983	26.0550540840003
1984	17.9400361056361
1985	12.2804140297867
1986	15.900776933044
1987	19.2679518563713
1988	4.44313696035208
1989	12.2457913829729
1990	18.7489897775434
1991	2.56095881486909
1992	13.8987411507308
1993	14.2712706364163
1994	5.98283842439616
2001	10.8329650265578
2002	11.058175784359
2003	7.21855107113556
2004	8.48704085623444
2005	4.13922007659813
2006	7.28312489911695
2007	3.03415264807306
2008	0.658577020524346
2009	-0.123175378784583
2010	2.43606106164696
2011	7.2553659773842
2012	11.6863497600647
2013	6.99522714367026
2014	6.85880012118968
2015	0.691866753735697
2016	5.25611143588292
2017	12.103972793062
2018	12.6907881149812
2019	18.0939311189791
2020	13.1214757614863
2021	-4.41715698873566