Year	% of GNI
1976	5.75012221293216
1977	8.82031047812271
1978	7.23526302614825
1979	12.0130254339993
1980	10.4281458570292
1981	9.60261928924386
1982	9.08891067290618
1983	6.75807185292074
1984	9.98811666365359
1985	9.44290678448985
1986	13.4175900178787
1987	12.2187211391109
1988	11.0756954881529
1989	12.7371102263099
1990	9.44034924883001
1991	3.45334284873117
1992	4.85284088602682
1993	11.1011976172269
1994	12.3127053316437
1995	8.18359231821
1996	5.78717457272188
1997	3.89895591642065
1998	11.1021905394543
1999	5.23245512878873
2000	3.99936671222366
2001	4.0662522560753
2002	5.67195326250524
2003	6.48278351140456
2004	5.75677916354658
2005	5.81969508704469
2006	6.00614985938321
2007	2.06786707999833
2008	2.79763889592242
2009	4.31517169633984
2010	1.2343823068989
2011	4.40699427555364
2012	-0.122798177125425
2013	-2.06618362722951
2014	-4.42579771712138
2015	-0.144530026705641
2016	0.910231236901512
2017	3.72741065425675
2018	3.750406928688
2019	2.85313136566942
2020	-2.90198905305877
2021	-2.1139807260243