Year	% of GNI
1970	16.609479892178804
1971	15.102853817465062
1972	15.790556396396433
1973	16.831620258335363
1974	16.437338551790273
1975	19.413493654109804
1976	14.350596501947537
1977	13.806603926550544
1978	13.744431797794187
1979	13.857773541883526
1980	11.52688056153661
1981	11.849658593867328
1982	12.501556420723025
1983	12.778864621468626
1984	12.75258382679449
1985	16.046427917238113
1986	14.507582389957054
1987	13.741397975624261
1988	13.277458970078701
1989	12.80159474323156
1990	12.045932173165232
1991	11.807539350505191
1992	11.881352191872516
1993	11.854876800321334
1994	12.153017149247132
1995	12.479466058688063
1996	12.382444175188482
1997	12.468678286038992
1998	12.277080945416648
1999	12.372981264423668
2000	11.888485056064033
2001	11.824022324355653
2002	11.602820598571835
2003	11.518467134673367
2004	11.356866313647314
2005	10.92756428812357
2006	10.942992071447447
2007	11.033334207041252
2008	11.604396768938098
2009	12.847329143625593
2010	12.795184861322113
2011	12.560712261826515
2012	12.41453112198531
2013	12.472065753584136
2014	12.355254238938437
2015	12.467550256130894
2016	12.40848296555806
2017	12.580894613489535
2018	12.75339307784547
2019	12.545800932830867
2020	13.573779116826861
2021	14.578371313875946