Year	% of GNI
1970	0.668444881977185
1971	0.6056947069803259
1972	1.1343022064312065
1973	1.1794531267677968
1974	1.0793745442226552
1975	1.9133117116727578
1976	2.6416712065343235
1977	5.228614866718474
1978	4.992939545861078
1979	2.437123895190635
1980	3.3448478412629865
1981	6.676769170780158
1982	7.569489918064903
1983	5.720455820183977
1984	9.357818591962829
1985	10.71575817883064
1986	9.921012383349332
1987	5.274763819244618
1988	6.9269855026101
1989	4.882072529086517
1990	3.777968739656587
1991	2.4246947051204155
1992	1.5283989825663047
1993	1.5117003283190924
1994	1.7047987515280767
1995	1.6018134681552383
1996	2.848607679051741
1997	2.677709078184012
1998	1.7963251838800876
1999	1.9392720445189642
2000	1.45559193542334
2001	1.6605740522697712
2002	0.620373169116325
2003	0.6535683749794639
2004	0.6966414002405031
2005	0.6667211607231414
2006	0.8148720876062496
2007	0.41423200941132965
2008	4.27836128516188
2009	1.1447446178342249
2010	0.7718487714144457
2011	0.26840414630948517
2012	0.4314505818677722
2013	0.8673738987882432
2014	0.9494984800820836
2015	1.0301328863220076
2016	1.4782112006133468
2017	1.6779749070212724
2018	1.6290057958050104
2019	1.6184197380913492
2020	1.4132316412134869
2021	2.048048884996641
2022	2.923959845349517