Year	% of GNI
1970	0.1332716188139368
1971	0.15622135364925221
1972	0.18419352349534343
1973	0.20293919263578683
1974	0.218187793766981
1975	0.3443517895128141
1976	0.3684966734944796
1977	0.4584972148163619
1978	0.932255200620143
1979	0.8208073551484214
1980	1.2182008217500797
1981	1.1602771816507782
1982	0.9513024785242149
1983	1.032686641249107
1984	0.9706695264616533
1985	1.1176328345465119
1986	1.4307620576152191
1987	2.0239239226674184
1988	2.240083990366598
1989	2.8400118154957474
1990	2.9849594919062863
1991	2.959969050184985
1992	3.610546061835847
1993	3.504616799937802
1994	2.8681253041154573
1995	3.0135961132499287
1996	2.8640201446150564
1997	1.4791423654083353
1998	1.9283460553699894
1999	1.7748335041753542
2000	1.2703405751459593
2001	1.075930186795219
2002	0.7455904484383976
2003	0.587966906179532
2004	0.7460052354867541
2005	0.7237830751819938
2006	0.47258428066334285
2007	0.3319372643588198
2008	0.26565139943618155
2009	0.5638528387038083
2010	0.6088406505551732
2011	0.4330413788854601
2012	0.43472333231660154
2013	0.5534150862459079
2014	0.6188871142906874
2015	1.004853486167649
2016	1.5112239126227018
2017	1.5926828132620006
2018	1.8550776020461086
2019	2.0676509633418583
2020	1.9547059439602252
2021	2.8217838354612192
2022	2.664509709831069