Year	% of GNI
1979	10.187730277112882
1980	12.2744933353294
1981	12.740318274366839
1982	11.401458816415637
1983	9.28874028896521
1984	8.059799148825817
1985	9.239261963013497
1986	7.031494615134824
1987	8.145530124911646
1988	7.572502676572057
1989	15.989342446721874
1990	6.221921790062697
1991	6.910978298810957
1992	6.964369667800609
1993	9.199145445519372
1994	9.668809899587337
1995	7.167983223314839
1996	7.64003653771637
1997	7.778610517017802
1998	7.475269271918576
1999	5.854401940503802
2000	5.648172940683882
2001	5.715499984568075
2002	5.941995478790277
2003	5.5124354116379015
2004	6.782771678474397
2005	5.975077994033535
2006	7.787732527406978
2007	8.537487383297286
2008	7.672143387058954
2009	6.051344573661398
2010	6.160119967808405
2011	5.1344667091601925
2012	3.506429935814877
2013	3.214945188975186
2014	2.9975915021217605
2015	3.4683188537740195
2016	2.9464101103195603
2017	3.3289608763783836
2018	2.5205436154740735
2019	2.9988000219469937
2020	4.65263697825953
2021	4.133833542013843