Year	% of GNI
1970	1.160723565756867
1971	0.909187221311352
1972	0.950957755360262
1973	1.750592300640664
1974	3.09146492954679
1975	2.160815741024677
1976	1.8545448637857112
1977	1.8709095482868932
1978	1.563903762780981
1979	3.871489036107799
1980	3.9715070762385203
1981	2.339657610606273
1982	1.147395225119919
1983	1.645275159431121
1984	1.781893891647599
1985	1.7461418793369208
1986	0.69896534098439
1987	1.1510988741892039
1988	1.4160065729067641
1989	1.3006196571843431
1990	1.242112045042978
1991	0.9489929805942
1992	1.1396017464344799
1993	1.308535570798616
1994	1.221293389212427
1995	1.191513336374415
1996	1.7244651775409918
1997	1.589534944314565
1998	1.0628444269849184
1999	1.2343034539898057
2000	2.641768702398572
2001	2.20622242709719
2002	1.59403359773112
2003	2.603544524417566
2004	2.528456091065885
2005	3.3155231602380617
2006	1.986633290442505
2007	1.8204468913896168
2008	2.17781891455316
2009	0.512977214258532
2010	0.559054627602334
2011	0.732313480330011
2012	0.450995464605676
2013	0.447518570432087
2014	0.544167648469431
2015	0.1508225152178023
2016	0.24520136993609098
2017	0.356668958676595
2018	0.5074513213812409
2019	0.525706548992231
2020	0.359354442831679
2021	2.171311720168907