Year	% of GNI
1996	33.0291009136221
1997	32.7798527115875
1998	31.9597637162891
1999	30.2800676038415
2000	30.5883561753873
2001	29.2679204487463
2002	28.0943823450899
2003	28.2593134363444
2004	28.7606749947946
2005	28.874595481373
2006	29.039928197808
2007	29.441186851598
2008	27.8928086589626
2009	24.7100667516856
2010	25.6929551216188
2011	24.8577487513877
2012	24.2268694855844
2013	24.4128460342763
2014	24.8484434779649
2015	27.1124525643024
2016	27.7612120221061
2017	28.2447467192652
2018	28.008964709916
2019	28.0905409440756
2020	27.3297182490239
2021	27.078624514806