Year	% of GNI
1970	1.87014391668693
1971	2.57188752745331
1972	3.045394013760218
1973	3.5064539812913935
1974	3.0178406004470193
1975	3.640363036461264
1976	3.6988962943130796
1977	4.657101696231222
1978	5.723627587343291
1979	6.2522722240904205
1980	4.452234684188002
1981	4.234345452899645
1982	4.422250304571444
1983	4.836334741096316
1984	5.998297505183317
1985	7.1226642005102
1986	7.8029772747591
1987	9.688247497769494
1988	10.776266693857576
1989	10.93838527861075
1990	9.85477911249037
1991	10.334573326505133
1992	10.217668717557913
1993	9.268091923824013
1994	8.28640287485304
1995	8.368780487899771
1996	9.736760820479883
1997	9.424852116609356
1998	20.332750834473483
1999	13.669492527863733
2000	10.836639231628919
2001	10.059380459306857
2002	8.923704835234371
2003	8.215761394152851
2004	8.398183130573157
2005	7.458005475616786
2006	8.113973109990436
2007	5.781618362368571
2008	4.404474855510291
2009	4.781597658592574
2010	4.295178269841501
2011	3.578899681809212
2012	4.175107899623271
2013	4.682838848496667
2014	6.98301160713426
2015	7.241901855778396
2016	7.139964866244858
2017	5.979948512400418
2018	5.499228808434412
2019	7.549799261475424
2020	6.564889831038627
2021	6.3396079483076155
2022	5.476403552798039