Year	% of GNI
1970	2.250640738230652
1971	1.015309685493673
1972	1.0982334761003913
1973	0.9965460512111337
1974	0.9430187305511841
1975	1.0849663707649906
1976	1.4548685145571825
1977	1.3174878292887457
1978	1.236985691960987
1979	1.1906422665383085
1980	1.1494818166228409
1981	1.1640602882385582
1982	1.3037875210659673
1983	1.5956353602259206
1984	1.750730670131476
1985	1.8789337273330364
1986	2.399728942084173
1987	2.351096433622106
1988	2.2968159446870993
1989	2.52544452193636
1990	2.6925780229458898
1991	2.9567161585750883
1992	2.818132441557798
1993	3.024736503303826
1994	3.5137402432821396
1995	3.7394196128496784
1996	3.1375749708758196
1997	3.245373361236088
1998	2.8000104385853066
1999	2.448176376055358
2000	2.385541017391261
2001	2.490577470951609
2002	2.8901569944242818
2003	3.7694468165157953
2004	2.5108780488562332
2005	2.6134616117955596
2006	1.779557379388764
2007	2.8866966627648365
2008	2.352090153698836
2009	1.3455867131718726
2010	1.5286738359388619
2011	1.5550699853236376
2012	1.7155451897545277
2013	2.116825034172701
2014	4.108800378801169
2015	2.197018135539258
2016	2.912040552331816
2017	1.9097741684345433
2018	2.3083789603935827
2019	2.0728371606930365
2020	2.794531715775515
2021	1.805646340565971
2022	2.1395885277020743