Year	% of GNI
1970	5.539168811982228
1971	5.633760056127472
1972	5.470553793148051
1973	5.1134899134451395
1974	4.515405426591046
1975	2.827090496863491
1976	0.506154923053761
1977	6.20572240678415
1978	0.7996423970931689
1979	1.1164659277668836
1980	1.9456043401691179
1981	2.35046343188604
1982	2.3408666910099694
1983	1.8056935650396067
1984	3.261050610143331
1985	4.07743408708309
1986	5.027626345578544
1987	8.069460077943333
1988	7.26104861842656
1989	7.936785550931861
1990	5.906794890621341
1991	5.195351298467946
1992	2.7010416009359455
1993	1.9972073551042246
1994	1.9386542415478678
1995	1.5865755868535951
1996	1.7352506813033959
1997	5.129888665050079
1998	2.9291921881250373
1999	3.8400384862183645
2000	2.6004572251955405
2001	1.269235742153993
2002	1.2340334287766657
2003	1.1265803463852928
2004	1.6572730682552554
2005	1.3881259351235327
2006	0.9713965813456247
2007	0.410073428719368
2008	0.37078461959409104
2009	0.5269539066231373
2010	0.6320240376961529
2011	0.44382395637457395
2012	0.6472129386113824
2013	0.6020870170850411
2014	0.8183626251796333
2015	1.2907320847149966
2016	1.0810070946542498
2017	1.0338572225019385
2018	0.9866143065858834
2019	0.9289639494374783
2020	1.041984667820197
2021	1.1777201159486141
2022	1.4414182344633764