Year	% of GNI
1997	-2.86951838814508
1998	15.0380428882318
1999	19.4286813591757
2000	10.2167712468197
2001	18.4884887733329
2002	19.0165378858095
2003	16.3147926985738
2004	20.6599657043907
2005	18.8783439830091
2006	11.3524385925469
2007	10.9734185545609
2008	2.94780484938967
2009	0.659745667921063
2010	10.9252823568634
2011	10.2983971674215
2012	14.6102053896368
2013	15.7222730705553
2014	15.4837310994182
2015	14.8074323358375
2016	18.5570230063344
2017	20.237027368329
2018	22.2085133520304
2019	20.6761870364819
2020	11.8781099659368
2021	9.18964631395544