Year	% of GNI
1970	0.1592904609523732
1971	0.12869066368980903
1972	0.30325822926792195
1973	0.8148058875735916
1974	1.1472838550968578
1975	1.089653807970122
1976	3.8393447499202997
1977	2.9355799160178617
1978	3.3024613464798236
1979	3.152979549134299
1980	4.042727382436519
1981	3.8147446678848924
1982	3.1566301837165125
1983	4.447381122437495
1984	5.33379686477693
1985	7.839330804749042
1986	7.857440337854239
1987	6.704220388772794
1988	5.266075963397735
1989	4.2238656252367655
1990	3.1967508029957443
1991	2.838346745408556
1992	2.807646339130101
1993	2.328814288461276
1994	2.5914037393127223
1995	2.315530676303811
1996	2.0504595056956325
1997	1.7934447255378934
1998	1.681708726105603
1999	2.007201470622697
2000	2.269864467655011
2001	1.9077479899622936
2002	1.8224691235528283
2003	1.7434287398528723
2004	1.611110534707661
2005	1.3157562566976195
2006	1.5114762834883728
2007	1.2999756167895815
2008	1.3421137883948988
2009	1.424506085944735
2010	1.6083318498879597
2011	1.66100866703837
2012	1.7879305894559512
2013	2.02450187360739
2014	2.6446542980206886
2015	2.9008601087132577
2016	3.2085438494210345
2017	3.628485819876754
2018	4.22826225802392
2019	4.1191397422540454
2020	2.9308209745647287
2021	2.160820885915776
2022	4.735088155730045