Year	% of merchandise exports
1962	35.02987684023833
1963	48.62026711968591
1964	40.897408636705826
1965	33.801598836546454
1966	32.96998643270548
1967	26.893275414256568
1968	20.103490375514042
1969	22.11660157157451
1970	19.643114880452888
1971	21.60384406035117
1972	17.61019756892814
1973	17.74501082640074
1974	41.00510547389075
1975	44.778796128383455
1976	28.02672574893632
1977	27.385785731041736
1978	24.622748265969506
1979	24.829522095565082
1980	23.159010469513987
1981	18.293780771428985
1982	22.65509352815727
1983	12.062103906106755
1984	2.1704994202393215
1985	7.241183292333793
1986	0.08953123752965451
1987	0.06423160048497237
1995	3.1497318014799847
1996	4.923946187166002
1997	3.873029114419076
1998	3.5192657266178586
1999	9.037227337313663
2000	6.929979055585771
2001	7.068200848773319
2002	6.1450838311990434
2003	0.4873809089695705
2004	0.5422424102676763
2005	0.7332279441219354
2006	0.7653809552266913
2007	0.6741924403975854
2008	0.6405645176857102
2009	0.8755744004235144
2010	0.28171149172382776
2011	0.09839075747180795
2012	0.07536391202976131
2013	0.4267869729178608
2014	0.16276589353491308
2015	0.09735310633984887
2016	0.09869544705207116
2017	0.09020714112531744
2018	0.11713461548690904
2019	0.16669467833958984
2020	0.3764917542462365
2021	0.18302642964339147
2022	0.23404881095076668
2023	0.2998345786467356