Year	% of GNI
1970	1.9122606063355208
1971	1.0955686807377922
1973	1.959237827551864
1974	2.0499244200334643
1975	0.6665300544704653
1976	0.697343620801801
1977	0.7079322995751994
1978	0.34737851272047676
1979	0.6403193620072059
1980	0.7812699153650521
1981	0.38120069296032477
1982	0.25031960446889334
1983	0.33629130392616025
1984	0.2245254060559644
1985	0.21149340938100075
1986	0.1147268783538102
1987	0.1692843702150886
1988	0.4299157629302575
1989	0.5103406150754242
1990	0.3482883288165785
1991	0.13524152022637248
1992	0.13819912099331647
1993	0.14013536999380502
1994	0.33058760922951574
1995	0.19856779214997816
1996	0.24595400750710827
1997	0.20838069829422654
1998	0.15130009655303964
1999	0.1356042413364117
2000	0.18014148187606
2001	0.20198066309677024
2002	0.3306492135914041
2003	0.19273147362681214
2004	0.22700569195511103
2005	0.3563922839703347
2006	0.8503418610332182
2007	0.8912436510333166
2008	0.8013297703024388
2009	0.781166668419518
2010	1.3143714072183177
2011	1.9477616868486571
2012	1.711824753939422
2013	1.3967119538744872
2014	1.1070623125037153
2015	0.6884539592910361
2016	0.7486086452309877
2017	0.7872217616970992
2018	1.0434142957172892
2019	0.6621634403714853
2020	1.070309580842224
2021	3.952607061023181