Year	% of GNI
1970	1.4623914341907536
1971	1.6064734123903655
1972	1.6937422909273478
1973	1.996184150344848
1974	1.1297285556498156
1975	1.2902931616882396
1976	1.4925759473973201
1977	1.7909086524417017
1978	1.7424351485698217
1979	1.9591800927686542
1980	2.5454406202539652
1981	2.582162637031252
1982	2.3858822599713534
1983	2.1800038395065098
1984	2.295267600478706
1985	2.230803976362587
1986	3.543769418176436
1987	3.1281498860033845
1988	2.9515799867657835
1989	2.6665528550226782
1990	2.195000839077783
1991	2.0608251209216237
1992	1.9191119883111585
1993	1.895436150053644
1994	2.149949356883936
1995	4.017085979290668
1996	2.7095889388583427
1997	2.383133976090525
1998	2.673497000523145
1999	2.5600387136477005
2000	2.420597043348148
2001	2.6817065209760518
2002	2.403311235679364
2003	2.075361472602287
2004	2.1127721435066653
2005	2.030331658433615
2006	2.2229624411061826
2007	2.231044396793965
2008	1.3306838750121255
2009	1.605236313198859
2010	1.2421181357486115
2011	1.4149016212985834
2012	1.7801606154412566
2013	1.9655403268049072
2014	2.04647547905785
2015	2.314016827687021
2016	2.592704347313578
2017	2.334606824709413
2018	2.9223709541200416
2019	3.2359259501343365
2020	2.584066579720926
2021	3.5902242902221793
2022	3.441708940337966