Year	% of GNI
1990	5.793057479510298
1991	4.598533145085233
1992	4.186709678843841
2000	4.108705783059588
2001	7.4110960701474955
2002	10.279554737407713
2003	10.460084320724365
2004	9.395752209706579
2005	11.157115468428696
2006	12.881854223095164
2007	13.190172327455288
2008	11.497264898479397
2009	7.850328447107629
2010	9.034641799517143
2011	9.987397789080502
2012	12.347764415899606
2013	11.78684422223018
2014	11.109321399381518
2015	10.677317583050446
2016	11.390830171917735
2017	12.750386115696072
2018	11.20563605981709
2019	10.949432095669787
2020	6.62277201312597
2021	8.66409990808154