Year	% of GNI
1970	17.401663769586836
1971	16.488940632825347
1972	13.291442536596223
1973	14.545195827615952
1974	12.992787976775386
1975	11.648139379638815
1976	22.92716304014041
1977	9.065717345081573
1978	27.70866543318401
1979	13.442823101804159
1980	11.42232100750687
1981	13.631434175517073
1982	11.649564565016462
1983	11.51664258344526
1984	21.041502553448474
1985	28.224766671195926
1986	27.372873969359503
1987	25.546259636363178
1988	21.12329221022552
1989	15.91238506121411
1990	15.959383647883186
1991	18.944096240861576
1992	21.128741438525005
1993	10.287804007218705
1994	11.499287487568905
1995	10.794776147538768
1996	9.197436490401321
1997	7.782006103933982
1998	5.806910956366836
1999	7.090194382934602
2000	8.199923493060012
2001	8.522567109031218
2002	9.370963681803024
2003	9.506901320747332
2004	8.940019098298716
2005	9.189425774336593
2006	7.3576011789708895
2007	10.726779973126167
2008	8.962831376658704
2009	13.041345326092795
2010	9.361560822848173
2011	11.854733410586382
2012	12.372506826723708
2013	8.690881659949252
2014	11.5799068047874
2015	29.58167643288128
2016	14.07498530014826
2017	9.725014863092856
2018	8.367029132830053
2019	18.393884955830995
2020	12.089797223091594
2021	9.44235203197063
2022	8.298977726835622