Year	% of total merchandise exports
1985	0.0004551315429122806
1986	0.0014400423672272828
1987	0.009450836787195617
1988	0.016661638349067927
1989	0.03256347859493526
1990	0.008771933132772154
1991	0.02114197569403092
1992	0.030419334228481445
1993	0.05670973198042568
1994	0.22032398500694736
1995	0.01198289609984459
1996	0.0837358524875652
1997	0.16630531278484048
1998	0.335594874705334
1999	0.19081524068279518
2000	1.239050143415182
2001	0.5432092764086223
2002	3.69673489402001
2003	1.970708002026383
2004	1.8843954005758328
2005	1.9664752940211323
2006	2.140727867567769
2007	0.9186291761662281
2008	6.410196145297725
2009	0.8097412605511648
2010	0.9022675002044728
2011	0.12487596823328374
2012	2.466162277134911
2013	3.1841869155284357
2014	2.9531141887303436
2015	0.5962081225285558
2016	0.44748447268001046
2017	1.8343504799137194
2018	2.768894519098087
2019	0.9195580765947677
2020	2.1500490965633308