Year	% of total merchandise exports
1975	0.30550206953014847
1976	3.3561181682166223
1982	0.3872755562117409
2000	0.00010466800323345629
2001	0.3374749531527577
2002	1.2860673119964443
2003	0.5372714124840795
2004	2.2136529177698048
2005	1.9233502608185546
2006	0.8358403653542792
2007	3.266284836884223
2008	2.8742096065726304
2009	2.9006416305263047
2010	3.330980450308743
2011	6.009018884026898
2012	55.412565727356366
2013	77.70954104283533
2014	80.56437940380387
2015	2.734956719811998
2016	6.872564460152036
2017	11.258356645879891
2018	18.095026900871034
2019	14.263281059893252
2020	2.228054023692498