Year	% of GNI
1970	0.022716942236348348
1971	0.060286802837781844
1972	0.13875857763451951
1973	0.3914432090408932
1974	2.8842054972615436
1975	3.815110834283799
1976	4.754729535575699
1977	5.100250106257898
1978	5.493405116716081
1979	10.507893488472796
1980	10.67312394554371
1981	9.160381185212284
1982	6.550854971633277
1983	6.135380329845402
1984	5.80463273953297
1985	5.573608222066559
1986	3.008837751441061
1987	3.7873093937595783
1988	2.8154606312107453
1989	3.9651170591901765
1990	5.057449121668663
1991	2.9708578113928272
1992	2.7499381143820556
1993	2.3987557949693707
1994	1.7897208101492297
1995	1.7251399219244776
1996	1.8628810088030598
1997	1.6111645154596839
1998	0.952606801459872
1999	1.387079974404273
2000	2.532471622321011
2001	2.0566019893040393
2002	1.6671201406176128
2003	1.733901507167658
2004	3.044549005226752
2005	3.3698992430372745
2006	3.1889414391825346
2007	2.789433664200659
2008	4.295249356897276
2009	1.833395825354417
2010	2.5459711782700105
2011	3.2256530497382845
2012	2.1554870943715088
2013	1.6550741315417763
2014	1.391573818307165
2015	0.7308328353867495
2016	0.6033496243866406
2017	0.7255460353858373
2018	0.8940777915702594
2019	0.716669164215226
2020	0.45247000788907854
2021	0.8535079449021185