Year	% of GNI
1970	1.5705741326207143
1971	0.9243620385693871
1972	0.8387133496079721
1973	1.4521114936180837
1974	1.6966444615157246
1975	0.5560078972515924
1976	0.7141311295239866
1977	0.5714129905146338
1978	0.37243935020957997
1979	1.7886001005113703
1980	4.156772828101562
1981	2.193137916619729
1982	1.5327842382765158
1983	1.930273077653549
1984	0.36471376428583135
1985	1.3669503315202556
1986	1.2071982469876954
1987	1.376084913543642
1988	1.6197099201244867
1989	1.2182933068234392
1990	0.7726287969819348
1991	0.7162790545959395
1992	0.5845365988437539
1993	0.6657577420614783
1994	0.8457257429428469
1995	0.2803868310718498
1996	0.473920466891008
1997	0.28710018777996327
1998	0.228358973130949
1999	0.1645195241271245
2000	0.25371705845272996
2001	0.34413837068373737
2002	0.4463174625955802
2003	0.163073754762999
2004	0.25786090795184174
2005	0.43279888053443677
2006	0.7901726397445661
2007	0.9484010480519407
2008	0.9990637468942342
2009	0.6240290372216941
2010	1.1455322307401643
2011	1.3449376471682477
2012	1.0531802781703044
2013	1.0761080565766203
2014	0.7790135706168553
2015	0.3622378741833303
2016	0.47894857977357586
2017	0.42347759481161307
2018	0.6155967412994997
2019	0.5261295035757829
2020	0.9429432166022625
2021	3.0932828127575642