Year	% of GNI
1970	0.5973137387719623
1971	0.7192787664215773
1972	0.8713586091735904
1973	1.2917253220613683
1974	5.086925428933788
1975	4.456735297496995
1976	5.024792911801378
1977	4.823390084237597
1978	4.72543967321317
1979	7.503713847316765
1980	7.651752395625692
1981	5.6838613339278545
1982	4.4573854639424075
1983	4.49553851060346
1984	4.647162244485087
1985	4.456433548012246
1986	2.0670246071315255
1987	2.855928151702914
1988	2.4153175057784044
1989	3.148547669126782
1990	3.708752787199065
1991	2.056146937989414
1992	1.9226300498520128
1993	1.9583667442302128
1994	1.7135439165947184
1995	1.7614290205803502
1996	1.9808882454956396
1997	1.6667042439721182
1998	0.9020661822950543
1999	1.5684298715834177
2000	2.830013287600363
2001	2.40597749273623
2002	2.360410989776937
2003	2.510095046008835
2004	3.339100822870465
2005	4.0490344758983925
2006	4.162451016192382
2007	3.641774777681143
2008	4.812988794366646
2009	2.528744018401257
2010	2.956425723489512
2011	3.8409968082402757
2012	3.184326354523441
2013	2.6795940026672933
2014	2.3077851038109007
2015	1.1865914678218321
2016	0.9636576710709968
2017	1.260179269127853
2018	1.758661999290376
2019	1.444294081131679
2020	0.7993477650205252
2021	1.6335275050677494