Year	% of GNI
1970	0.6797270455260189
1971	0.4627002397582975
1972	0.41655568513127567
1973	0.6560718359232854
1974	0.7787641456193632
1975	0.3426266892876043
1976	0.41925497514265875
1977	0.38407376909732793
1978	0.30522080399694906
1979	0.4852483537098554
1980	0.5135093515458874
1981	0.25964659155470066
1982	0.2695210077554022
1983	0.3439159924110378
1984	0.301333319460509
1985	0.28021687770363496
1986	0.202411494293243
1987	0.33026293884757624
1988	0.7359523062290487
1989	0.6133231216119943
1990	0.4449490200402045
1991	0.2459433051140383
1992	0.19799686503174663
1993	0.10489830223297725
1994	0.18069330000604136
1995	0.26032619410845237
1996	0.21055190994702494
1997	0.1889576941412652
1998	0.13567854137115767
1999	0.17624270922282947
2000	0.21170771991382922
2001	0.14345440168343784
2002	0.16684237718680917
2003	0.21314132600071328
2004	0.4566456851777022
2005	0.5584200086292574
2006	1.0332921346086776
2007	1.1328729818546421
2008	0.9141483074774746
2009	0.5100940187045412
2010	0.7913047615104615
2011	0.9410690364316036
2012	0.7497984126739043
2013	0.6048970693012999
2014	0.44800884445380906
2015	0.3281346627874878
2016	0.4235192005168284
2017	0.5014932476939209
2018	0.5185704315754434
2019	0.2963477369218912
2020	0.4788560191574774
2021	1.7603240043716943