Year	% of total merchandise exports
2000	1.1438230074670126
2001	1.4380661334412583
2002	0.8413302347399914
2003	9.273663905269858
2004	7.4962398534739405
2005	5.965026879270162
2006	3.147076113251464
2007	3.42016189802129
2008	3.589080851365891
2009	3.0458141702396255
2010	3.370947840006483
2011	7.881320570357609
2012	3.2000224610391474
2013	3.129684592629558
2014	3.4164886922458573
2015	3.440809709580329
2016	5.7835514503888845
2017	4.611876024755715
2018	4.71020997372817
2019	4.286204303864733
2020	5.251724842335015