Year	% of GNI
1975	13.332145377649367
1976	13.482267926476922
1977	12.95507307978247
1978	13.470249280327591
1979	13.186259622999328
1980	11.676829417992074
1981	9.669285596751024
1982	9.152087463097594
1983	9.44481819185767
1984	10.18891779009761
1985	10.30696353661937
1986	11.459927186078506
1987	11.163636981462515
1988	12.156052289712637
1989	12.226280458687349
1990	11.43856447738826
1991	10.481624577230512
1992	9.976225587310315
1993	9.352976569666193
1994	10.059348614353524
1995	11.150782172520067
1996	10.932663213400412
1997	11.503807140993496
1998	11.61673763442648
1999	11.292910615334552
2000	10.837273862775152
2001	10.699692051094733
2002	10.340279436553487
2003	10.028475373679932
2004	10.83677026538515
2005	10.708619489991527
2006	11.44725944780148
2007	12.07809983364457
2008	10.65466086037831
2009	7.849592941252126
2010	8.449760650722155
2011	9.137511260850559
2012	8.608217334251629
2013	8.872674851858216
2014	9.666917376139123
2015	10.311027312396675
2016	10.721047580853929
2017	11.32857059455511
2018	11.640303875111268
2019	11.790985820439106
2020	9.918437446506621
2021	11.665475135129666