Year	% of GNI
1977	5.10946535417634
1978	13.3035718350853
1979	10.2485979750773
1980	-5.31785784427765
1981	-5.09151079912544
1982	-3.60349506795452
1983	-4.80864848311053
1984	4.12588609479333
1985	-7.34546857803822
1986	1.473628568106
1987	9.47350733071625
1988	9.43646628802405
1989	3.42671533813813
1990	-1.82645056816425
1991	1.11675131971242
1992	-9.44257811340922
1993	-5.94800225712363
1994	-0.398801865623467
1995	-9.98259670418984
1996	-4.23573340180283
1997	-9.58530439647881
1998	-3.75745876841936
1999	-5.45887950337777
2000	-15.8768630184514
2001	-6.71512851138217
2002	-3.37560413711561
2003	-2.13972731746712
2004	-0.990907522489327
2005	1.53307352975368
2006	0.0344856370187476
2007	5.80835350270266
2008	4.74561345361828
2009	2.21784940037267
2010	15.6611754785733
2011	-4.61170951059831
2012	4.03614702285808
2013	-18.0957232962698
2014	10.2608379143347
2015	-6.77838601016969
2016	-20.9395279780515
2017	-6.61898194151607
2018	-15.3369251002138
2019	-7.56066281362551
2020	-5.28353544501834