Year	% of total merchandise exports
2004	0.025778355505461446
2005	0.0030833697251143087
2008	0.30349100652595246
2009	0.3347121903071799
2010	0.5724516010260068
2011	0.1436556040874502
2012	0.7592576054541629
2013	1.576865689928726E-06
2014	0.002284934396609988
2015	3.226574155437075E-05
2016	0.0036450862000991257
2017	0.0003350533337079393
2018	0.00027848914243154484
2019	0.0003896670745547196
2020	0.0003337767828909376