Year	% of GNI
1974	1.56928841889824
1975	2.74689463367119
1976	5.82368473441367
1977	9.05105048985023
1978	15.0499535968987
1979	12.3667555794218
1980	9.7247990086542
1981	2.16605256022473
1982	-1.95485858612123
1983	-0.308346297552702
1984	-8.36368191816239
1985	2.22970168814714
1986	3.02765334052722
1987	-3.23184322895995
1988	5.8446031136704
1989	-0.891250987589933
1990	-0.823021335681998
1991	1.74874486532316
1992	0.531760970705227
1993	-1.13807858653689
1994	3.31002447882101
1995	2.63281072873578
1996	6.40677079676835
1997	3.94986115984795
1998	9.6655244236772
1999	6.91988148304146
2000	9.10870141079699
2001	12.0282382462921
2002	11.6734661099356
2003	11.347567089788
2004	10.8480334317429
2005	18.6695524726503
2006	18.3601088352711
2007	16.2858859762181
2008	19.7359516559807
2009	14.4624026135675
2010	22.2483566259239
2011	20.0774749168805
2012	21.7375428113251
2013	22.3521181879972
2014	21.4501607530513
2015	20.6777697445814
2016	18.0234711990979
2017	16.5509221638933
2018	20.3035643077987
2019	20.7526585918855
2020	10.0100066040953