Year	% of total merchandise exports
2002	2.909639199466091
2003	5.671162154887537
2004	0.9400250880410795
2005	1.0182262051644573
2006	1.2238777996438945
2008	0.02430921319179969
2009	0.06360852650108727
2010	0.035093006002048364
2012	0.006873848856743555
2013	1.105939104316121
2016	0.011204950246676143
2019	0.09973355734193043
2020	0.3227882127394395