Year	% of GNI
1990	8.012027539956783
1991	8.3812164011903
1992	8.909582359523798
1993	8.82065640954891
1994	10.591050261689958
1995	10.660167574596354
1996	10.528649204822722
1997	11.073721871757535
1998	11.873909106510364
1999	12.420996299940658
2000	11.484812096480768
2001	12.034941634177379
2002	12.638173458250499
2003	14.05432621951565
2004	15.665100248944048
2005	15.47160537149714
2006	16.54406317984923
2007	17.018067053102513
2008	14.649410709846336
2009	15.21691371285291
2010	16.199151366739805
2011	14.780709462356691
2012	15.559223535455528
2013	14.021594472138434
2014	14.826368794576451
2015	14.579004507646292
2016	14.504891581980162
2017	15.352200643489386
2018	14.814732087621643
2019	14.97736418885736
2020	14.34579879792528
2021	13.916453799351991