Year	% of total merchandise exports
2000	0.6234460324481005
2001	0.19610650321159437
2002	0.17367168551514564
2003	0.11977055954000297
2004	0.11772950706241664
2005	0.017461172743249743
2006	0.0660116516558416
2007	0.01671784682502764
2008	0.028995248389106904
2009	0.022482170122870647
2010	0.08017605728826842
2011	0.2769429082673247
2012	0.15322986764511812
2013	0.07005169940807528
2014	0.7384161429910712
2015	0.05436072477358044
2016	0.06495721373696531
2017	0.04972359846335394
2018	0.017400331442540128
2019	0.024405850761712606
2020	0.15484580042871288