Year	% of total merchandise exports
1983	0.007552299675251114
1984	0.002708484951544671
1986	0.001140238931310816
1987	0.0017904578094702982
1988	0.017541531754483336
1989	0.0031559156177634762
1993	0.0005030367732058341
1994	0.0007348938207568358
1999	0.001354995189628291
2000	4.852349668638734
2001	4.875356726049066
2002	3.389176542860675
2003	2.477835622297328
2004	5.072420051211403
2005	4.284241048551414
2006	4.230065133484235
2007	14.041260052166907
2008	3.2752379544625754
2009	35.286617778177906
2010	10.383131150781685
2011	6.9858592779354565
2012	15.517615979643582
2013	7.953900474495208
2014	7.511147055958424
2015	9.613643283083508
2016	2.163211814503999
2017	2.828483257209801
2018	9.736176470722521
2019	3.4145497560485594
2020	7.522577692015507