Year	% of total merchandise exports
1990	0.49027647786482004
1991	6.135406453854211
1992	2.2884699740288306
1993	2.83740172953192
1994	7.379768648194224
1995	6.734687642372536
1996	1.7350782545460959
1997	0.34516321004904066
1998	3.3569245604835865
1999	0.8769264777235654
2000	0.5172850437588971
2001	0.7613396667072178
2002	0.9515475444564983
2003	1.0640214008256326
2004	1.1693707501674688
2005	1.119458635033936
2006	1.0793185546204844
2007	1.7764112311729892
2008	1.1445878690580578
2009	1.154138693418941
2010	1.3445418617836151
2011	1.603748888530166
2012	1.3762456267602616
2013	1.8171209968778426
2014	4.428423737174226
2015	11.403690460296062
2016	18.604998954720507
2017	18.81055486192412
2018	25.18212010913746
2019	43.50034428338702
2020	44.202838386224464