Year	% of GNI
1970	0.5398271002594797
1971	0.5194562931092758
1972	0.5036505724897911
1973	0.6410973758712283
1974	0.884193729855615
1975	1.687321794851628
1976	1.410100784892904
1977	2.545900765236087
1978	2.267426956127728
1979	1.858221958470102
1980	1.445653147320372
1981	1.922020817477569
1982	2.160070692484343
1983	2.030156636723417
1984	1.96628018750978
1985	2.102058301325857
1986	1.4074175927953236
1987	1.3851426750644957
1988	1.249200100210181
1989	1.72606498706167
1990	2.017096841294997
1991	1.732547931430293
1992	1.545738680552161
1993	1.442886440068968
1994	1.1801021166704184
1995	1.3654727226694443
1996	1.3300162143076366
1997	1.2227298322610352
1998	1.017818482263902
1999	1.1691094322703939
2000	1.50612545459044
2001	1.246845879137767
2002	1.3335995515758337
2003	1.2518675180737016
2004	1.4864141901327041
2005	1.8295115596733122
2006	2.077395100990089
2007	2.385511349085461
2008	3.2851338891820783
2009	1.587835156842425
2010	2.241486272913824
2011	2.552088603077189
2012	1.943188904066691
2013	1.812379913312034
2014	1.408576752428392
2015	0.892185189951202
2016	0.849895006070074
2017	0.867985809136638
2018	1.0227254070352791
2019	0.8533970809784119
2020	0.901817540229968
2021	1.62081061089854