Year	% of GNI
1970	0.16923112064712212
1971	0.17164794132690506
1972	0.15347113382743474
1973	0.15081452145965657
1974	0.6148086984625556
1975	0.8057500608877947
1976	1.0749815004535164
1977	1.217523882140726
1978	1.2526827256216464
1979	2.8851781998056754
1980	2.3191683033851676
1981	2.1856997644350447
1982	1.8934349529417098
1983	2.2120684655598306
1984	2.4391066116142786
1985	2.700229307886825
1986	1.1342854616230487
1987	1.4812653223996852
1988	1.1342169013645065
1989	1.731081282875304
1990	2.1646455554379123
1991	1.4383635162828388
1992	1.4391971596520015
1993	1.6779418951394764
1994	1.3668847040369547
1995	1.4841259242141092
1996	1.5810152536043947
1997	1.3948437055303358
1998	0.7753500052283908
1999	1.166888326950439
2000	1.964437691507267
2001	1.6191893143323515
2002	1.6187423668480467
2003	1.6013280090294049
2004	2.0118210541640456
2005	2.667215061413992
2006	2.921387920466895
2007	2.7487301781341085
2008	4.19253166973835
2009	2.1021722782621493
2010	2.6353863744230277
2011	3.4155914020353952
2012	3.154113899334578
2013	2.6282884638197976
2014	2.0768591743505715
2015	1.0032954110187255
2016	0.7639702301393584
2017	1.0816646859168475
2018	1.4816016639572982
2019	1.2201026191416626
2020	0.7010595991092468
2021	1.2344661878412393