Year	% of GNI
1970	0.1592904609523732
1971	0.12869066368980903
1972	0.30325822926792195
1973	0.8148058875735916
1974	1.1472838550968578
1975	1.089653807970122
1976	3.7602749866024214
1977	2.0662138732442794
1978	2.5518829350608123
1979	2.913264682914707
1980	3.477871677496987
1981	2.7680735657341864
1982	2.269327975061349
1983	3.2718244163995673
1984	3.9490501592156364
1985	5.428057887902504
1986	5.275603497249383
1987	3.3962046134352484
1988	2.5774540753680646
1989	2.77674831421245
1990	2.613794749918865
1991	2.448565778006552
1992	2.6674664499506004
1993	2.328814288461276
1994	2.5914037393127223
1995	2.315530676303811
1996	2.0504595056956325
1997	1.7934447255378934
1998	1.681708726105603
1999	1.981583751354769
2000	2.243076972460919
2001	1.8947258584510402
2002	1.8111480772768787
2003	1.7353139120300671
2004	1.6012082053590277
2005	1.3045677971743124
2006	1.496434773039118
2007	1.2884758467769015
2008	1.3397126145616503
2009	1.4173000814475856
2010	1.5998242257590747
2011	1.658396649863691
2012	1.787247688141519
2013	1.9284412591720108
2014	2.4850331057218913
2015	2.396375721572511
2016	2.586548141648535
2017	2.7950178199788693
2018	3.291743113732658
2019	3.074316171987444
2020	2.609754448602638
2021	1.6720860291378716
2022	4.188630750529002