Year	% of GNI
1970	2.287203407016832
1971	1.9449699678091272
1972	4.2405266522266505
1973	4.544471450008155
1974	5.0430786613651435
1975	4.955741249025552
1976	8.241619757277038
1977	8.485272955082742
1978	11.077449941816973
1979	20.09128047167978
1980	16.94548546361472
1981	19.28028694233474
1982	13.319971888974772
1983	13.161240646446334
1984	16.71316137134739
1985	19.04147296607414
1986	17.935622284040175
1987	27.554454283825812
1988	20.79164312780811
1989	34.52475126451732
1990	102.22221546283295
1991	47.833013748921374
1992	34.958270975405355
1993	25.483146745234258
1994	21.25054759546735
1995	20.381861846575397
1996	15.961468392544505
1997	19.254565595740075
1998	20.32472086983868
1999	13.547006221649093
2000	10.465929501348139
2001	6.92198823486007
2002	9.635217325851213
2003	8.291064800336482
2004	6.378995133539925
2005	4.338169232367758
2006	1.3933082840501356
2007	1.0350232625209907
2008	0.8918649237288072
2009	0.6441822933653322
2010	0.9281466404768729
2011	1.3869820412492269
2012	3.693043561376709
2013	1.3868290068847524
2014	1.463859614352619
2015	1.6828675407873583
2016	1.8296193370130494
2017	2.0523561942883983
2018	2.9282908191065427
2019	2.6984853607659924
2020	2.5101468987385913
2021	1.4495926750288899
2022	1.057134073072161
