Year	% of GNI
1975	8.946100170877891
1976	9.299678136351424
1977	8.854275667810763
1978	9.192109846147996
1979	8.969792263058638
1980	7.2523135361827205
1981	5.36925457693253
1982	4.856259353341761
1983	5.1929672912157
1984	5.925867615634498
1985	6.098544892651695
1986	6.743673488783289
1987	6.198208444400521
1988	7.057987309182586
1989	7.315223066681288
1990	4.874731070572338
1991	3.919376552325275
1992	3.5884808206090106
1993	2.9460608855591417
1994	4.41647563944651
1995	5.642599728999841
1996	5.963769044604021
1997	6.27899257350796
1998	7.035275236764955
1999	6.9641217904276225
2000	7.413104308783614
2001	7.024416860976606
2002	6.487627730579373
2003	6.198417831775714
2004	7.0094192641883115
2005	7.461014860249197
2006	8.30114997647282
2007	8.680995870935277
2008	7.51800074672888
2009	3.8659468466210463
2010	5.523494035031067
2011	6.768593829361215
2012	6.211748611685525
2013	5.884902419169002
2014	6.254804640259671
2015	6.544844265318378
2016	6.519826777876666
2017	7.423908731507645
2018	7.979601349226172
2019	7.809452230976568
2020	5.9136285787595995
2021	8.243363399268077