Year	% of total merchandise exports
1960	3.3808036281247067
1961	3.168208128130936
1962	3.2291381267083983
1963	2.581516147016235
1964	2.1937341937341936
1965	2.023022001435635
1966	1.8619582411874427
1967	1.8774508613425038
1968	1.6965532178885232
1969	1.7266551553726053
1970	1.5500753135773961
1971	1.5377983599470206
1972	1.643305446488126
1973	1.7015185235200632
1974	1.824153557912311
1975	1.9944409277227702
1976	1.5667179791538897
1977	1.6099088605732126
1978	1.5715947133858832
1979	1.5327067574911042
1980	3.1187089385627256
1981	2.1530161474022225
1982	2.053527194333827
1983	3.3604175665199363
1984	2.4965542597742663
1985	1.464565934250639
1986	1.5822602137132533
1987	1.3706690132730948
1988	1.4664951435453175
1989	2.1427913208106935
1990	2.290388128314138
1991	2.9458651897785013
1992	2.404827715612814
1993	2.4017235216720816
1994	2.4217630539633546
1995	2.4091302451523653
1996	1.802367797393532
1997	1.8241461353401316
1998	2.0798958122853066
1999	1.4943587175060125
2000	2.1713455260926566
2001	2.7886591269200713
2002	2.91020818315165
2003	3.3127367307774
2004	3.9445278179865095
2005	1.6489205979994852
2006	2.537293747966309
2007	5.756627818241823
2008	8.754449244765109
2009	8.418721774317465
2010	6.18354625239832
2011	1.834484334166049
2012	1.5311116738644972
2013	1.2184125458041226
2014	1.0444466363972293
2015	1.1573528003721416
2016	1.2029759336207837
2017	1.1933022171601142
2018	1.0093082528138417
2019	1.1116490390514489
2020	1.221702639245937