Year	% of GNI
1970	6.96555617928033
1971	5.58395018682661
1972	6.61372448734817
1973	8.97003117566416
1974	8.67823911454568
1975	9.91156761154581
1976	8.18777019724169
1977	12.670324321102
1978	11.8487794377885
1979	8.40316377756013
1980	8.87345259330385
1981	7.59871241710269
1982	10.8958288583282
1983	6.59524758900856
1984	6.85391463690651
1985	6.02578144481562
1986	8.71665636423522
1987	9.55210327262452
1988	10.601350597347
1989	10.8216251763162
1990	13.5474582862385
1991	12.8092298445072
1992	14.1997386715424
1993	14.3890962236875
1994	17.2741448204035
1995	24.0476282863924
1996	28.4712684030187
1997	23.9290094920198
1998	27.2725044077005
1999	15.635981634536
2000	14.8175188627236
2001	18.9831009365156
2002	24.5566810292131
2003	41.3514430396843
2004	31.2843388856606
2005	26.9793532227264
2006	23.7928276731507
2007	32.1507838546336
2008	32.7453722573759
2009	30.3548878940221
2010	23.7911565875236
2011	24.7985528174138
2012	17.1639810245579
2013	17.5030228811105
2014	17.2408236494408
2015	15.3897951880207
2016	18.9467164708775
2017	18.2275741263011
2018	13.4033433708258
2019	13.089765712209
2020	13.7719540219161
2021	13.9163419337296