Year	% of GNI
1970	0.3207632779000643
1971	0.3366749239411769
1972	0.40662364347939567
1973	0.6425446708375137
1974	1.3554950683722018
1975	1.5891116382444743
1976	1.7659443907089691
1977	1.8076574975706374
1978	1.4530282255998328
1979	2.7697536156718705
1980	2.933668591658765
1981	2.3744356443518093
1982	2.0347176968437233
1983	1.8745741358717694
1984	1.6841876770783637
1985	1.6642173314552136
1986	0.7994739433593945
1987	0.8696593803096786
1988	0.7167544832409821
1989	0.9216184818798185
1990	1.0905426979105177
1991	0.7097941136175596
1992	0.6875965956624724
1993	0.5760603135914354
1994	0.4979617605462791
1995	0.5130222392615984
1996	0.583665829965239
1997	0.5432692385390622
1998	0.3932997839153559
1999	0.4534456526687625
2000	0.7415301100962133
2001	0.6806266261416565
2002	0.6309125394864216
2003	0.6912524643677584
2004	1.0941976875081199
2005	1.3983948395654868
2006	1.6633103194073782
2007	1.9799064528178216
2008	2.791094071009528
2009	1.3261274861065215
2010	2.0883244359274045
2011	2.6924100460919047
2012	1.5903177199027823
2013	1.3501581537472722
2014	1.1792944970196253
2015	0.686296010547183
2016	0.5958606593820568
2017	0.7072482468013961
2018	0.860820911816238
2019	0.7659365344546746
2020	0.5861382785508487
2021	1.2241564692522262
