Year	% of GNI
1970	0.997999752156126
1971	0.878562977584645
1972	0.709058363735688
1973	0.656808982578549
1974	0.991681455736454
1975	0.827001032584083
1976	0.889290525847547
1977	1.18895321634548
1978	1.09082681444509
1979	0.977239685838679
1980	1.03894428090841
1981	0.928809166142635
1982	0.888203344769105
1983	0.511049262528165
1984	1.29918308479493
1985	1.02942200130223
1986	1.02047516731173
1987	1.58832496070804
1988	0.843728725657712
1989	0.835547386628845
1990	0.79446195316471
1991	1.65805778214117
1992	0.962841270988186
1993	1.52810628266065
1994	8.22945670283614
1995	7.67777125509014
1996	7.04668104357391
1997	5.08666812408828
1998	1.90872666204532
1999	2.56586643009106
2000	3.2587103977308
2001	1.40335686981734
2002	3.20029868030955
2003	4.52026865800284
2004	6.32514111923049
2005	5.40868056039611
2006	1.97352798628028
2007	2.36931225036491
2008	2.66449988283748
2009	3.42473577832011
2010	4.4624704496706
2011	6.71053123514107
2012	7.41193028160445
2013	4.81003713035596
2014	2.68926531750065
2015	2.02579082540958
2016	7.68639537104004
2017	5.86522863122172
2018	1.8293908946696
2019	1.95066574320767
2020	1.99933310271317
2021	7.63835041437426