Year	% of GNI
1970	2.287203407016832
1971	1.8955879189547435
1972	3.201482968289724
1973	4.491375359647693
1974	3.397802246520875
1975	3.5418346227804243
1976	8.241619757277038
1977	8.291419527186763
1978	10.817704284764359
1979	18.95999415212123
1980	13.442278300621647
1981	15.832555007032347
1982	10.797726161596048
1983	11.207339848503585
1984	9.591270821030383
1985	7.823304609467999
1986	7.076657068638392
1987	9.985652960342147
1988	7.1622151939136565
1989	16.932504062329766
1990	49.13861291862137
1991	43.55717851690194
1992	32.8063201022044
1993	22.99121697712446
1994	15.556448059165614
1995	15.294470305777818
1996	11.920900473720657
1997	15.160490002615385
1998	16.66388331194064
1999	9.72598721418783
2000	7.243705287833042
2001	5.576854078462463
2002	7.872548259597218
2003	6.857281701494039
2004	5.288284596362896
2005	3.144244409063346
2006	1.2654588280063523
2007	0.9188943801079705
2008	0.8759494603509779
2009	0.5891335786246638
2010	0.7875128506515309
2011	0.8998300553554486
2012	3.2473911194881246
2013	0.8381362179405754
2014	0.9502215565234907
2015	1.0594586865908968
2016	1.1098927572253479
2017	1.2189196116747045
2018	1.6177458574893544
2019	1.5028106849973468
2020	1.439058730375895
2021	1.0454532991946188
2022	0.6259018334112376