Year	% of GNI
1971	0.4026861913357832
1972	0.4088990555854302
1973	0.40180210138799405
1974	0.6006089696231556
1975	1.1891653810442964
1976	1.3707106579554393
1977	1.416308473562141
1978	1.2717001043212848
1979	1.228076373792278
1980	1.2113491365758065
1981	1.7475173445572771
1982	2.113045036570439
1983	1.4490497878405764
1984	1.453472078374447
1985	2.0435724752129474
1986	1.3527570168372516
1987	0.8705435646551766
1988	0.9124149907008413
1989	1.061408990233589
1990	0.9937080382343392
1991	0.8300241269786408
1992	0.9322885611343449
1993	1.6487454855804047
1994	1.4810234368018405
1995	1.7532663998636995
1996	1.8110367707006716
1997	1.6876141669990223
1998	1.043631040088005
1999	1.3322493389289292
2000	2.7500556435701564
2001	2.6735084769499546
2002	2.643419584914839
2003	2.097778622542144
2004	3.3507777599304696
2005	4.443106319774028
2006	5.140361525070098
2007	5.945471843315922
2008	9.228502073610775
2009	3.8221155610397815
2010	5.015199762977162
2011	6.3720708492050955
2012	5.0973841413103855
2013	4.464816790297904
2014	3.4475919442435052
2015	1.5357538952013545
2016	1.4949810097627179
2017	2.2283710522795697
2018	2.6987997068710445
2019	2.1467442326255046
2020	1.2061004189562639
2021	2.0561737840240872