Year	% of GNI
1990	24.7596555442124
1991	13.8680963389064
1992	17.2470190784394
1993	14.3539009547551
1994	19.4587813592415
1995	19.5975262248468
1996	17.9639412367158
1997	14.8637150304018
1998	16.4714294853329
1999	13.4012139820097
2000	16.753328472226
2001	11.460761936802
2002	14.8343250244232
2003	13.2117429803342
2004	18.1551961976771
2005	18.7010522827403
2006	24.092182763617
2007	18.3700376347778
2008	16.0961672324821
2009	5.37249714648472
2010	7.87002770243692
2011	3.29703375975904
2012	4.35963700765515
2013	8.1183025901937
2014	11.9778025796512
2015	5.32335463487788
2016	-5.16768395300281
2017	2.64739974018815
2018	1.10351573015506
2019	2.11795880125234
2020	5.81042150232466
2021	-5.45060227821549