Year	% of GNI
1986	10.19092496538082
1987	9.3445367401517
1988	8.672332822142614
1989	9.146928550331749
1990	9.964912778053552
1991	9.11905627644743
1992	6.714212967621733
1993	5.637177112173001
1994	6.280965945759064
1995	11.131552865386265
1996	10.623973239561986
1997	7.547899884065741
1998	8.365650494930303
1999	7.7499949131197
2000	8.480971119183055
2001	8.290775708347757
2002	9.6084553225413
2003	13.26222489838768
2004	10.599982834717594
2005	15.261556994084309
2006	9.380922690016341
2007	8.70239977951271
2008	9.28454853206208
2009	8.94223590303894
2010	9.136553207074599
2011	9.50981131621633
2012	9.7377099979301
2013	9.20340343999887
2014	10.365163389508911
2015	10.33058082184365
2016	12.40012973922566
2017	10.54366034112553
2018	7.063956034967401
2019	4.76298195245106
2020	5.32180797218101
2021	5.11555230156016