Year	% of GNI
1970	3.140563396520567
1971	3.1149421678783873
1972	2.8677306364084854
1973	3.5137677491074797
1974	2.450760169839748
1975	3.1233192321523493
1976	2.853405760104574
1977	3.2070532908684064
1978	3.5967497757471607
1979	5.894923780535312
1980	5.9743705805720655
1981	5.749720925155822
1982	5.197570960807366
1983	4.537697233147578
1984	2.714405229709263
1985	6.5355011488391455
1986	6.483850576815446
1987	5.6581197108385615
1988	6.836226783767782
1989	5.173747099574941
1990	3.5343463632299095
1991	2.8867538316151413
1992	3.1755459807462194
1993	2.678171913397196
1994	3.6621206936759307
1995	2.6229423714552578
1996	2.5994704830068347
1997	2.4103899039422894
1998	1.842385260433243
1999	1.829976207293
2000	2.2749591789412507
2001	2.5704466840265643
2002	2.61523214023175
2003	4.461540297090307
2004	3.8774135738670603
2005	2.162050175685319
2006	3.914721895992854
2007	3.7355195666933363
2008	3.2494504496187377
2009	3.021424881868894
2010	2.7415601151466995
2011	2.8730881813708535
2012	4.452912791186812
2013	4.756760515978
2014	5.043856330532671
2015	7.672361932811602
2016	4.782460744076247
2017	3.97679041080699
2018	3.600022433416071
2019	4.344128688434608
2020	8.298213743235348
2021	3.9553179802458067
2022	3.282771919430704