Year	% of GNI
1970	0.14432965837591497
1971	0.17242459636378468
1972	0.19686543424385555
1973	0.20812715602104181
1974	1.0352380543438775
1975	0.9767664776848796
1976	0.9705836559217257
1977	0.964689888233353
1978	0.8385692357321144
1979	1.6880516313565896
1980	1.8864399227671633
1981	1.422653508662204
1982	0.8285564638717781
1983	1.1254504390382125
1984	1.128519764533815
1985	1.0429092275986562
1986	0.35546838108494583
1987	0.48556607620933445
1988	0.30996100845453606
1989	0.40192530219600775
1990	0.4781250496495854
1991	0.30220507409677416
1992	0.31408168630553673
1993	0.32863197136956596
1994	0.2801904184801523
1995	0.2627210529629541
1996	0.38101612636215965
1997	0.33270082033950177
1998	0.16945406827207976
1999	0.27115653509214355
2000	0.5842201052961112
2001	0.473966649847301
2002	0.3932575446863228
2003	0.5261966627681542
2004	0.5553601539164681
2005	0.7272842311736148
2006	0.594474423268716
2007	0.5516602264980276
2008	0.8001190533125352
2009	0.34708974790245695
2010	0.37808821912980917
2011	0.5123330951008374
2012	0.428960484023387
2013	0.41545748616435796
2014	0.38580607659457805
2015	0.14665548933996367
2016	0.1372682541730687
2017	0.1952032933040846
2018	0.31263711991839155
2019	0.29549385040615095
2020	0.16469815281777442
2021	0.5690493562971198