Year	% of GNI
1970	0.987601111216809
1971	0.8175112325961041
1972	0.7993471719747673
1973	1.0075890191622559
1974	0.9107938249390615
1975	1.1955684490874325
1976	1.116545359765306
1977	1.8582096032934385
1978	1.7655525113376154
1979	1.4575394840262037
1980	1.416259302126503
1981	1.8935436309604505
1982	2.82369695321812
1983	1.7289771689967022
1984	1.7984330340431527
1985	1.6766607194524539
1986	2.366161639914107
1987	1.8703675598293676
1988	1.8102638176776695
1989	1.8697860210073602
1990	2.077514580665744
1991	2.0666158304577666
1992	2.090741031855141
1993	1.8363508055756488
1994	2.7082108379625476
1995	3.5639690200462084
1996	3.5254364537685046
1997	3.1777852307933427
1998	3.579242483638434
1999	2.35272891339242
2000	2.2066738317789567
2001	2.390565242651788
2002	2.7962778266269104
2003	3.317946576164899
2004	2.3422061761838493
2005	2.1282838381501774
2006	1.9136212406285114
2007	2.486803739970342
2008	2.8042251537208895
2009	2.7209583662712324
2010	2.0181653879717993
2011	1.9129096885000043
2012	2.1629796967570436
2013	2.343409042808557
2014	2.5514841022583514
2015	2.929638568181053
2016	3.309895351252783
2017	2.865148882554072
2018	1.8562795611544156
2019	1.825218499609123
2020	2.145943995767583
2021	1.9856089261547751