Year	% of GNI
1970	1.623612991034646
1971	1.6435629828328149
1972	1.4902616974163847
1973	1.7415010657875962
1974	1.723670334533599
1975	2.03033965456237
1976	2.2888022264441785
1977	2.598646117547203
1978	3.4296404736260033
1979	4.1058259411427125
1980	6.058102431421975
1981	6.7853066547089655
1982	6.692209917695809
1983	5.840438975517277
1984	5.696630963528714
1985	5.6846921366275405
1986	7.3423618186390005
1987	7.249325045998881
1988	6.914059082068464
1989	6.096121340993968
1990	5.964129198539024
1991	5.3785428028839215
1992	4.641567660243947
1993	4.208536941532738
1994	7.32440252424864
1995	5.672425625676643
1996	6.14871678188415
1997	5.761237337627052
1998	5.6970664168395215
1999	5.7091185540522025
2000	5.354973117177221
2001	4.043345219621115
2002	3.5189343516622533
2003	3.0583914755165407
2004	2.6362914480430693
2005	2.2578160684824407
2006	1.9365006903215103
2007	2.3513131106172254
2008	1.4355976112736524
2009	0.9450834516629056
2010	0.8062059687882226
2011	0.6829062235021826
2012	0.8513116780709695
2013	1.003334101555157
2014	1.3273252168252383
2015	1.1689652988535764
2016	2.086179729273071
2017	2.5941096228210796
2018	2.6698372742876213
2019	3.475318476762992
2020	2.5770269333779665
2021	2.7017783798844954
2022	2.5083918749252962