Year	% of GNI
1990	-3.37869460599831
1991	-1.96753585345202
1992	1.74444776735886
1993	5.96759669138066
1994	7.62528320367266
1995	9.31982452843707
1996	16.550700186752
1997	14.4875600296713
1998	18.051260413868
1999	23.7202665026553
2000	22.7544331965638
2001	23.3336553001019
2002	30.2439454671416
2003	30.2693633061677
2004	33.4413221727812
2005	7.6130358755656
2006	-0.0705641829844963
2007	7.07282403462246
2008	3.66917729928898
2009	8.13812966542891
2010	8.09197297607866
2011	6.0839589220201
2012	6.26704033319873
2013	9.31615073677422
2014	12.5891169815567
2015	12.9729912680811
2016	10.3669775899345
2017	8.36413611762903
2018	8.28850186797011
2019	5.42771388481672
2020	4.55035877577106