Year	% of total merchandise imports
1973	0.008512811781731506
1988	0.016277291088287425
1989	0.019324267819991463
1990	0.009354046942151391
1993	0.05932905181269644
1994	0.035676250400479476
1995	0.10899620688842328
1996	0.08551792008460338
1997	0.1179102772105051
2000	0.0029938633639095304
2001	0.030278953734964902
2002	0.05991770942145886
2003	0.03040848616256958
2004	0.05259627662146265
2005	0.05821959388410108
2006	0.11267766617108653
2007	0.07029235020709204
2008	0.0823223736270951
2009	0.20190698094700138
2010	0.025733599114127932
2011	0.035046738997941536
2012	1.100199124174489
2013	0.3175595662867746
2014	0.13801479306321318
2015	0.22708082632693316
2016	0.14919891655046025
2017	0.3110010521013886
2018	0.18944449948647238
2019	0.6244261994867142
2020	0.3343247618345558