Year	% of GNI
1971	11.0000501343061
1972	7.58373191517629
1973	4.34268519519622
1974	5.26674053545432
1975	15.0370021705868
1976	18.6540943659432
1977	13.6579201984641
1978	15.3413781646304
1979	17.6182110054206
1980	18.1151288063352
1981	21.4984613878509
1982	18.6726192396286
1983	14.9595809831667
1984	14.8610107682657
1985	11.3401096601196
1986	12.1255259651118
1987	14.7237960599635
1988	17.5285107254154
1989	14.906474422858
1990	16.4292567662768
1991	17.0333433120029
1992	14.7814810704132
1993	12.2001062253634
1994	11.5643759184462
1995	13.8150158344493
1996	8.93171887296546
1997	7.03278562305208
1998	5.19094111412008
1999	4.91998871288386
2000	-5.23231492485159
2001	-4.41406791971886
2002	1.32542363372975
2003	4.19232570373381
2004	2.28518988265881
2005	1.782702884108
2006	-1.26494302762978
2007	1.0347920414083
2008	6.63004096319179
2009	1.91447024714695
2010	5.73719588559299
2011	4.82220043777564
2012	4.65325018361309
2013	8.23872240358047
2014	13.3262965438609
2015	17.1633271332055
2016	14.6217332182223
2017	18.2848272287653
2018	19.0358413136705
2019	18.712734682964
2020	11.5290042672862
2021	16.3054817498898