Year	% of GNI
1971	1.8451774628191453
1972	1.7427125261502119
1973	2.5314956863692397
1974	2.9977843335152383
1975	2.45573629028673
1976	2.885364496288298
1978	2.611822890823766
1979	4.145068194598154
1980	7.23185523223574
1981	6.183312208692516
1982	6.76954908328721
1983	5.355054784528647
1984	3.770681619546004
1985	5.361974098410025
1986	5.19045751724179
1987	4.3397623375239025
1988	4.339777657170608
1989	4.271542058195813
1990	4.137669566732165
1991	3.906831616226938
1992	3.656645665292028
1993	4.240595203748576
1994	5.163346885341799
1995	5.703162439618788
1996	5.8849571450562
1997	5.234148502056444
1998	4.90253371807372
1999	3.8346117778041515
2000	4.860739535767488
2001	5.156347879147736
2002	5.610297398646967
2003	5.292496620479983
2004	5.5421601073127285
2005	6.460865020188874
2006	7.290338555821033
2007	9.20858050201428
2008	12.893516700336498
2009	7.021571549698402
2010	8.044979666762117
2011	9.629918184873349
2012	8.31354411623773
2013	7.884333889683084
2014	6.778089617118713
2015	4.827630337565738
2016	5.283824940789078
2017	5.516997529645254
2018	5.17067600932496
2019	4.49809223581041
2020	4.294987631326109
2021	7.1350655229364275