Year	% of GNI
1990	33.2739931818821
1991	34.3342595119531
1992	25.443452153149
1993	12.4026244443333
1994	14.3399367691596
1995	16.690176230305
1996	13.5530822823459
1997	17.738128194497
1998	14.779510398409
1999	27.3037155452387
2000	27.339949337902
2001	12.9571684284871
2002	12.3879884186639
2003	9.40957109494485
2004	11.1897518072385
2005	16.4368875700151
2006	30.8974331525714
2007	8.31128784256097
2008	13.706969883592
2009	10.2266983724083
2010	6.35688991336384
2011	6.00684121371523
2012	15.9326227136687
2013	3.0538489841266
2014	7.57380984611406
2015	3.84979653546389
2016	2.9040018537255
2017	4.2874322866207
2018	3.74125504777779
2019	7.19891436832295
2020	14.3936994414279
2021	18.459394275535