Year	% of GNI
1970	0.06486119993420711
1971	0.04618309312471517
1972	0.0479874355183372
1973	0.09418295086164247
1974	0.15701650588426433
1975	0.11596953957954648
1976	0.05208057724132174
1978	0.01748250296393104
1980	0.02335850058482005
1981	0.020592346575290778
1982	0.023263384223347103
1983	0.020689463411004323
1984	0.0191296966735832
1985	0.025248936559662004
1986	0.012256441793332754
1987	0.011122261884631156
1988	0.08330351567401825
1989	0.022051691671260934
1990	0.013889912124214586
1991	0.007923085870121983
1992	0.01001223652363285
1993	0.006565048213914539
1994	0.023811967129413306
1995	0.02093423736631634
1996	0.017641845884990643
1997	0.013031779549163033
1998	0.010028288996417391
1999	0.005530695226995813
2000	0.0033980352466533494
2001	0.004412307447915759
2002	0.005405003619650592
2003	0.0013466900881082973
2004	0.016849245499397363
2005	0.028160962602329958
2006	0.036649923161105005
2007	0.06215114262083934
2008	0.174890045479812
2009	0.13607780307355627
2010	0.11616555825368083
2011	0.1251593279034712
2012	0.09758505893319917
2013	0.06226318990569039
2014	0.04456229706886848
2015	0.03771977436298508
2016	0.04199642116477911
2017	0.04416404907786587
2018	0.023050386580522268
2019	0.03729706396104135
2020	0.04853307186811152