Year	% of GNI
1990	12.6937290882204
1991	10.8918566820447
1992	14.601313310306
1993	19.3015952333174
1994	20.398957453014
1995	-0.330227557247486
1996	0.477448579806846
1997	0.701290173085695
1998	1.09007392150628
1999	-0.892929528743603
2000	-1.49123335060149
2001	-5.47270138321542
2002	-6.35057747839779
2003	-4.03066826824782
2004	-5.29025810562068
2005	2.79859054020181
2006	4.19671263155395
2007	-1.19448677940738
2008	0.277132804792566
2009	12.8795625958238
2010	10.5561757652829
2011	8.87814942001307
2012	11.5182698035443
2013	12.3765316090729
2014	5.06773194739277
2015	9.22431057753932
2016	-2.29886893745381