Year	% of GNI
1976	25.657165462533055
1977	28.631962446577454
1978	31.4952492319889
1979	30.710464077363746
1980	25.333602449344063
1981	24.856774369644643
1982	26.667090520095353
1983	30.401298505568494
1984	32.55551845905245
1985	32.75906540583685
1986	36.200178710277946
1987	39.650317480607
1988	41.74063000976088
1989	38.834113367655874
1990	39.06532473244282
1991	39.07741524927292
1992	38.18416136509886
1993	38.24900073273512
1994	37.99234036321435
1995	37.82146681685488
1996	36.092393243096815
1997	36.10784860415351
1998	38.21809844757745
1999	35.770259697910554
2000	34.121896996319336
2001	32.155253930226344
2002	31.57157605667251
2003	33.09734915208609
2004	35.52383025545487
2005	34.00580471272516
2006	32.98688973363678
2007	33.53851155228558
2008	33.31344268830656
2009	33.33311032075486
2010	34.992236478406966
2011	34.45801958208983
2012	34.305067073148074
2013	34.62837782692014
2014	34.81856359731047
2015	36.23532251477357
2016	36.65123683645619
2017	36.86379918694687
2018	35.711296931021664
2019	34.48277125937976
2020	35.91518532023606
2021	36.342379465484605
2022	33.949825556645095
2023	33.15363369261966