Year	% of total merchandise exports
1981	0.0005778843653384958
1994	0.03999722957135437
1995	0.027886712943866333
1996	0.16868406358541713
1997	0.5884127414246461
1998	0.8921665702643777
1999	0.02891837470409923
2000	1.2111035317449426
2001	0.6614896850427621
2002	0.27965906095263365
2003	0.12929495906513644
2004	0.9055559264422164
2005	0.40717760932293573
2006	0.3688275669248177
2007	3.423844834628484
2008	2.727588223583313
2009	3.754563786497471
2010	2.982406658436574
2011	3.172830451909951
2012	2.3723446275473443
2013	2.5170121202078097
2014	2.749465301207172
2015	3.1814520038586487
2016	2.684615727862576
2017	2.902571916157292
2018	5.400413195747902
2019	0.14237096178550096
2020	0.030006099098557497