Year	% of GNI
1976	25.5534433988502
1977	20.6527731702952
1978	19.291471583937
1979	19.4584535137262
1980	10.6233147851872
1981	12.8749159219766
1982	14.9906319399282
1983	16.3300211762119
1984	17.9117447868321
1985	21.698709725549
1986	29.4554958593602
1987	29.7057658414673
1988	28.9853957066314
1989	26.6195636968197
1990	26.0453779828984
1991	27.5273904914354
1992	28.9622056930023
1993	27.6881663610156
1994	25.4240197635091
1995	25.3129162962876
1996	25.8746221331861
1997	27.243440063414
1998	26.7576541270346
1999	25.7212787424497
2000	26.9653747058752
2001	28.6003954168865
2002	27.5333829009248
2003	26.0970086966527
2004	23.1551931857936
2005	18.3087529622526
2006	20.4968688428732
2007	24.5070296948356
2008	18.6367696077639
2009	14.9103809924952
2010	15.8289004481462
2011	14.4292310432958
2012	13.9026213430145
2013	12.5822190320952
2014	10.4852715946548
2015	11.1270523444635
2016	10.8315587986894
2017	12.4908090930224
2018	11.4346865981192
2019	11.112788117054
2020	5.21375302759107
2021	8.36448810874769