Year	% of GNI
1970	4.251551543036245
1971	5.5427856131004365
1972	7.087355197754926
1973	17.089182664509963
1974	4.95808871635274
1975	7.4617277839469
1976	7.212171773625179
1977	10.743607804930729
1978	11.273544693495781
1979	11.061926284036515
1980	11.465611095280423
1981	10.824698156369003
1982	9.232513033674952
1983	9.715758688855832
1984	9.947921519726357
1985	6.870472364207927
1986	28.414592420450735
1987	8.904237923809472
1988	5.693704098602529
1989	5.29450502304824
1990	6.676750212768422
1991	19.820432354162822
1992	12.192139931488857
1993	11.980622274149331
1994	10.94984722651769
1995	73.28425519616624
1996	7.392885011306667
1997	6.066091464293405
1998	6.095893178588498
1999	4.6930620324650505
2000	5.497267805758469
2001	4.7572846868259795
2002	5.607216231218843
2003	11.743636174086447
2004	8.050069496427568
2005	3.68739142373333
2006	1.249712162580695
2007	0.9970026712690826
2008	1.019217472412665
2009	1.1610028620342148
2010	0.8417497277863453
2011	1.02855894893051
2012	0.9743218709476142
2013	1.3283080234517166
2014	1.6781952884454987
2015	2.8940993169329636
2016	4.017418262900272
2017	3.7345758122547132
2018	5.388334169919803
2019	12.064256794694742
2020	11.74365695480423
2021	8.794722393087987
2022	5.437050395645658