Year	% of total merchandise exports
1982	2.625632682574114
1984	0.11081102002503951
1989	0.27706030448070573
1990	0.1162254473742422
1991	0.06852444038373687
1993	0.04639819799111075
1995	0.2843989444573676
1996	3.325166147706466
1997	0.010639340961865265
1998	0.0775482189335414
1999	0.5379856787589179
2000	1.1955478145853562
2001	0.09308915428753438
2002	0.41811144035083975
2003	0.6857580938638893
2004	0.09615294818006753
2005	4.63547312585559E-05
2006	0.06817305408461384
2007	0.17893457468355206
2008	0.10696406870152038
2009	0.03574475545504853
2010	1.2285419856268716
2011	0.004704134308368653
2012	0.3801021427858975
2013	0.026553836300900368
2014	1.1771297379515717
2015	0.1750440416475114
2016	0.02565879475194124
2017	0.5711187235144661
2018	0.1260751015729124
2019	0.5350330151727456
2020	0.5119101458246708