Year	% of GNI
1986	8.976695659057071
1987	8.55088275630384
1988	7.438890870660377
1989	6.604306976722631
1990	4.793476790041029
1991	4.687772414309388
1994	5.3145729056766555
1995	4.278754228208749
1996	4.51539294986011
1997	5.781132431059247
1998	6.221264767253572
1999	7.108732718772078
2000	6.68986970422869
2001	7.736900299808345
2002	7.991053642805797
2003	7.98980413620089
2004	9.212145063979392
2005	6.24756041244382
2006	6.568979862938652
2007	6.649813722928117
2008	9.21989533170186
2009	9.247977043554743
2010	8.911721148984174
2011	8.247229135190207
2012	11.666389592491486
2013	8.685314797675456
2014	11.632306109638078
2015	11.243176057344158
2016	11.907762807013084
2017	12.697010171408118
2018	12.596353592991937
2019	14.810855804371826
2020	16.76608056785557
2021	14.977827770559905