Year	% of total merchandise exports
1979	14.774177085991324
1980	6.27297231070816
1981	10.507962338719052
1982	6.344827586206897
1983	3.7993920972644375
1984	1.0369188696444849
1985	10.980235575963267
1986	9.54834277863644
1987	10.034190575293593
1988	13.873175759400153
1989	6.25322522901767
1990	5.4580901125060555
1991	6.140853236377341
1992	7.6792906979814575
1993	0.4249658682723017
1994	2.098790622436383
1995	1.6123481742207437
1996	3.908789307785973
1997	5.506871563528988
1998	6.123212149477772
1999	4.219529038196125
2000	0.33649087764575913
2001	0.8171176622664863
2002	0.6405816882190165
2003	1.2806639806411535
2004	0.8886281892173646
2005	0.8904022167399583
2006	1.0593638442327307
2007	1.2658997676238373
2008	3.4025998896942995
2009	1.339815530468414
2010	1.2924046446911133
2011	1.623078246144334
2012	3.7714375774063336
2013	3.725906141500948
2014	3.2240801179715866
2015	2.8913360124016423
2016	2.891335518352423
2017	2.891334580544917
2018	6.303229536986972
2019	17.59069728370923
2020	16.868522349175002