Year	% of GNI
1990	3.61758352701041
1991	3.122166707515215
1992	2.901569916077917
1993	2.9195043993679684
1994	2.876069159492026
1995	2.7533843948136134
1996	2.9379054512576923
1997	2.541559963083705
1998	2.8207373354112786
1999	2.1968202301457764
2000	2.048389747799397
2001	2.237344630384346
2002	3.1722048472713316
2003	2.046674220701216
2004	1.351608880943607
2005	1.216830989725367
2006	1.2451863593509531
2007	1.6112510562299498
2008	1.9866669721783785
2009	1.9427034828245853
2010	1.8362313933757684
2011	2.063892792349734
2012	2.373926526588646
2013	2.491716890973449
2014	2.4174572986119376
2015	2.813005392243941
2016	4.000340386708112
2017	3.5609831298453893
2018	2.780309113706416
2019	3.067514675103452
2020	3.0317466467644834
2021	2.580730744231631