Year	% of total merchandise exports
1992	5.78412752188259
1993	5.765531303100988
1994	0.7268715122746713
1995	0.9362722630399944
1996	1.2009536087866652
1997	0.10749628454684775
1998	0.02422301237326486
1999	0.18060463116846528
2000	0.3391795815961868
2001	0.3016547612801626
2002	0.45437473496367997
2003	0.31760759019908597
2004	3.355614085752206
2005	0.44913152841658843
2006	0.4392823217353644
2007	0.5697059044449997
2008	1.0149501291170864
2009	0.5848378457947473
2010	0.3909689691793001
2011	0.9670635988890736
2012	0.9840603796851487
2013	1.0072888258018196
2014	0.5423262126953843
2015	0.38040053225188836
2016	0.3986314440904507
2017	0.4700669288503758
2018	0.49609411177655977
2019	0.3984279381740893
2020	0.17190960852897347