Year	% of GNI
1976	10.8138777773594
1977	10.3137878903268
1978	10.8678888384705
1979	11.2176891374865
1980	11.8392466762802
1981	12.743082055941
1982	12.7561685184954
1983	13.2279032263734
1984	13.4029676555564
1985	13.7277054357425
1986	13.7968606785743
1987	13.8050218950957
1988	13.7714705069349
1989	13.7807400753076
1990	13.7967255187654
1991	13.8012347784012
1992	13.8270589905439
1993	13.8231783112338
1994	13.8294720372145
1995	14.1288356810432
1996	14.5788257688532
1997	14.7204058927685
1998	13.189182038785
1999	13.6809272871876
2000	13.7216439932801
2001	12.9973365015623
2002	12.7747459139898
2003	12.4011562322062
2004	12.5647212459914
2005	12.3404373008261
2006	12.1549044330812
2007	11.9950874851969
2008	11.631994854218
2009	11.9103506714586
2010	12.2907667398996
2011	11.8436439027432
2012	12.6278986055532
2013	13.7165373114339
2014	14.2696658838538
2015	13.5695900108909
2016	13.0818914470122
2017	12.497244815419
2018	12.2603015647591
2019	12.2579105446406
2020	13.7172046233139
2021	14.5252663132169