Year	% of GNI
1977	11.3684433592212
1978	19.8011124050037
1979	17.2706396215924
1980	3.00049212082912
1981	3.85919081445955
1982	5.34663135720038
1983	3.92994169980582
1984	11.5317594434452
1985	-0.726644734874244
1986	8.46468237885149
1987	16.2125141862505
1988	16.5387359630276
1989	10.7149012168715
1990	4.49178742288062
1991	7.23429267087502
1992	-3.20561912945751
1993	-0.0521671470753286
1994	5.93200183198963
1995	-3.53461619885967
1996	2.04070763623189
1997	-3.45526508606049
1998	2.63253453938333
1999	0.749616649585881
2000	-9.79686798498411
2001	-0.516923968291595
2002	2.52989489670224
2003	3.86150246362609
2004	4.9923035324289
2005	7.12047951892328
2006	5.62017717861529
2007	10.9723207616726
2008	9.8342560266938
2009	7.20264316215438
2010	21.2212957831316
2011	0.965855983067491
2012	9.14847966304093
2013	-12.9515547901837
2014	15.4901495274425
2015	-1.48548331515039
2016	-15.1173765279271
2017	-1.37056947065421
2018	-9.90120356999518
2019	-2.46544638042771
2020	0.323419663381862