Year	% of total merchandise exports
2000	1.6505854707857475
2001	0.5432400330616716
2002	1.5457872008072315
2003	0.15226339879012216
2004	0.04445414991615146
2005	0.0437144633015208
2006	0.07049551519357847
2007	5.505665491330253
2008	2.5335000446944864
2009	2.044970108118756
2010	8.784941470750647
2011	12.092501919989324
2012	0.017229053796604492
2013	5.765851538901674
2014	1.8498948890950249
2015	1.1479178546225641
2016	8.263423623796323
2017	2.7173318130665174
2018	2.615622888171339
2019	0.2102412793451891
2020	0.10655638019905118