Year	% of GNI
1970	0.5139885954622716
1971	0.6372246267816513
1972	0.7678998683789923
1973	0.979307312563421
1974	3.960192704988931
1975	4.392673937129075
1976	5.1404285295762655
1977	4.759809513038449
1978	5.224944610842739
1979	8.235754954306994
1980	8.447865800311464
1981	7.180249865842893
1982	5.629488875683598
1983	5.227323161406397
1984	5.018195516719232
1985	4.8708642027791
1986	2.5885831817943825
1987	3.150723153635931
1988	2.8608476224450943
1989	3.270878868022229
1990	4.153899129203912
1991	2.1840425527534686
1992	2.0347222168740586
1993	1.9244756673527075
1994	1.4702033854625314
1995	1.4836796954384304
1996	1.698329758919216
1997	1.4349023705492443
1998	0.7197832316986094
1999	1.4049732303906284
2000	2.780744412639907
2001	2.4216437488161033
2002	2.2266337231750346
2003	2.4268615810005896
2004	3.344644865381831
2005	3.8773203525903486
2006	3.990154245453933
2007	3.4587434594698183
2008	4.718335296752224
2009	2.5334667598046257
2010	3.0343214692482943
2011	3.985821920382801
2012	3.298230381545979
2013	2.8191699407974387
2014	2.44051483470722
2015	1.2851671978957337
2016	1.0284928197674004
2017	1.2884776495185675
2018	1.7671568128312143
2019	1.4857423747175893
2020	0.806934715894598
2021	1.6212907600463273