Year	% of GNI
1986	5.414283158751661
1987	6.560159572392938
1988	5.142461784897857
1989	8.720230536331158
1990	9.635138082395986
1991	5.920695499150599
1992	6.087724602725963
1993	5.900265637558524
1994	5.246483194601605
1995	4.9260363712565
1996	5.6084962203533575
1997	5.228679307164124
1998	3.2551110445619615
1999	4.363665924781217
2000	6.29246734104684
2001	4.985799680166159
2002	4.651628099538904
2003	4.708785245435365
2004	5.243732645448469
2005	6.738697435723962
2006	7.233966837214615
2007	6.615117040607466
2008	7.167162690314399
2009	4.972091630358666
2010	6.535805820847718
2011	7.939092034552023
2012	7.165194125059875
2013	6.618280818437212
2014	5.971287303486216
2015	4.209458906752525
2016	3.4439383884925925
2017	3.7204253393264253
2018	4.334541403889597
2019	4.1115063224010635
2020	3.4823429626490077
2021	4.128633891190317